168 results about "Engineered wood" patented technology

The present invention relates to a composition (the composition of the invention) comprising a component A consisting of a polylysine component, an XL component and a fibrous component consisting of at least one fibrous element comprising plant fibers, and wherein the fibrous element is free of any other fibers other than plant fibers, and wherein the component A consists of a polylysine component, an XL component, and a fibrous component consisting of at least one fibrous element comprising plant fibers. And the composition does not contain any fibers other than the plant fibers of the fiber component. The invention further relates to a method for obtaining an object from the composition according to the invention. The invention further relates to objects (objects of the invention) obtained by said method, such as sheets, strips, bars, strips, films, cloths, containers, panels, panels, beams, frames, slats, engineered wood, such as fiberboards. The invention further relates to an article (article of the invention) comprising a) a component that is solid at 23 DEG C and 1 atm; and one or both of b) and c) wherein b) is the composition of the invention and c) is the object of the invention. The invention further relates to various uses of any one or any combination of the composition of the invention, the object of the invention and the article of the invention.

The present invention relates to a composition (the composition of the invention) comprising a component A consisting of a polylysine component, an XL component and a fibrous component consisting of at least one fibrous element comprising plant fibers, and wherein the fibrous element is free of any other fibers other than plant fibers, and wherein the component A consists of a polylysine component, an XL component, and a fibrous component consisting of at least one fibrous element comprising plant fibers. And the composition does not contain any fibers other than the plant fibers of the fiber component. The invention further relates to a method for obtaining an object from the composition according to the invention. The invention further relates to objects (objects of the invention) obtained by said method, such as sheets, strips, bars, strips, films, cloths, containers, panels, panels, beams, frames, slats, engineered wood, such as fiberboards. The invention further relates to an article (article of the invention) comprising a) a component that is solid at 23 DEG C and 1 atm; and one or both of b) and c) wherein b) is the composition of the invention and c) is the object of the invention. The invention further relates to various uses of any one or any combination of the composition of the invention, the object of the invention and the article of the invention.

A method of treating a cellulose-based material, for example wood and engineered wood is provided, wherein the process involves the following steps: selecting and placing the cellulose-based material in a treatment chamber; impregnating the cellulose-based material with an impregnating agent consisting of an aqueous solution comprising a fluid suitable for esterification; facilitating a hydrolysis process whereby the impregnating agent reacts resulting in the formation of esters and polyesters inside the cellulosed-based material.

The disclosure relates to compositions including a constituent—A, which constituent—A consists of a polylysine component, a XL-component, and a fibrous component which fibrous component consists of at least one fibrous element which fibrous element includes vegetable fibers, and where the fibrous element is free of any fibers other than the vegetable fibers, where and the composition is free of any fibers other than the vegetable fibers of the fibrous component. The disclosure further relates to processes for obtaining an object from the compositions. The disclosure further relates to objects such as sheets, tapes, sticks, strips, films, cloths, containers, boards, panels, beams, frames, planks, engineered wood e.g. fibreboards obtained by said processes.

The application discloses a long-acting fragrance essential oil microcapsule veneer artificial board and a preparation method thereof, and comprises a core board, both sides of the core board are provided with surface layer single boards with holes, the surface of the surface layer single boards with holes is sequentially provided with a surface layer thin single board and an impregnated glue film paper; a plurality of waist-shaped through holes are arranged on the surface layer single boards with holes, and the waist-shaped through holes are filled with essential oil microcapsule composite fillers; the essential oil microcapsule composite fillers comprise essential oil microcapsules, putty powder, wood fibers and melamine urea-formaldehyde resin glue; and the essential oil microcapsules comprise single-layer coated microcapsules and double-layer coated microcapsules. The essential oil microcapsules are carried by means of the waist-shaped holes arranged on the surface layer single boards, so that the problem that the adding amount of the microcapsules cannot be improved is solved; and the single-layer and multi-layer microcapsules are simultaneously added, so that the damage of the temperature and pressure in the hot-pressing forming process to the microcapsules is avoided, the long-acting and slow-releasing effect of the fragrance can be realized, and the doped odor generated by the VOC release of the board itself is inhibited.

A process and method for producing a fire-retardant treated wood composite by applying fire-retardant material to wood strands at several points in the manufacturing process prior to the application of heat and / or pressure to a strand mat to form a manufactured wood or engineered wood composite panel. Fire-retardant material is applied at the dry bin outfeed, the blender infeed, or both. The fire-retardant material applied may be of a different type and / or different amount at each location. Optionally, fire retardant material also may be applied in the blender.

The utility model relates to the technical field of artificial board machining, and discloses an artificial board edging device which comprises a machining table, a fixing plate and a first baffle, the fixing plate is welded to the inner sides of supporting legs at the bottom of the machining table, the first baffle is welded to the top of the machining table, an edging mechanism is arranged on the outer side of the machining table, and an adjusting mechanism is arranged at the bottom of the machining table. And the edging mechanism comprises first driving motors, first threaded rods, supporting seats, pressing plates, supporting sleeves, springs and pressing blocks, the multiple first driving motors are arranged on the front face and one side of the machining table, and one ends of the first threaded rods are fixedly connected to the output ends of the first driving motors. According to the artificial board edging device, when the multiple supporting sleeves are driven by the pressing plate to move towards the inner side, the multiple supporting sleeves drive the pressing blocks to press the artificial boards towards the inner side, through supporting of the springs, the pressing blocks can extrude and align the artificial boards on the inner sides of the first baffles, the multiple pressing blocks press the multiple artificial boards to be aligned at a time, and therefore the machining rate of the artificial boards is increased.

The application discloses a waste wood processing artificial board carbon emission accounting method for recycling, which calculates the total mass of building waste and waste wood in the demolition stage and the target waste wood mass and proportion; a carbon emission accounting model including the demolition recycling and transportation stage is constructed, a carbon emission accounting model for the crushing and cutting treatment process is established; the total carbon emission accounting of the waste wood regenerated artificial board is utilized; a traditional process factory treatment regenerated artificial board carbon emission accounting model including traditional pretreatment, traditional processing and traditional production artificial board and a carbon emission difference model of the traditional process and the regenerated process are constructed, and the total carbon emission saved by the waste wood replacing the original wood is accounted. The application systematically sorts out the carbon sources of the whole process of waste wood recycling and processing, establishes a carbon emission accounting path of waste wood recycling, provides direct and accurate quantitative basis for the development of the carbon emission reduction scheme of the engineering project, and solves the problem of insufficient practicability of the existing model.

A multi-layered engineered wood-based siding, cladding or panel with an interface layer disposed between the main strand matrix layers and one or more additional layers. The interface layer can be an adhesive web, or adhesive film, or adhesive net. The adhesive web / film / net can serve as a fines interface layer to minimize telegraphing and provide an improved surface appearance. The interface layer can be applied to the surface of the strand matrix or mat prior to application of the fines layer. The interface layer can be disposed between the strand matrix and the fines layer to prevent the loss of fines into the strand matrix. The interface layer can be disposed between any of the layers of the multi-layered engineered wood product to promote adhesion between adjacent layers, impart fire resistant, impart mold and mildew resistance, or increase the dimensional stability of the wood product.

The invention relates to the technical field of plates, in particular to an artificial board with a heat insulation function, which comprises two groups of base materials, the two groups of base materials are stacked, a bonding layer is arranged between the two groups of stacked base materials, a protective layer is sleeved above the two groups of stacked base materials, and heat insulation layers are embedded in the two groups of base materials. Hidden assembling assemblies are arranged on the two sides of the base materials and used for assembling and fixing the two base materials. The heat-insulating artificial board has the beneficial effects that the embedding grooves are formed in the top surfaces of the base plate and the clamping plate and are filled with the first heat-insulating filler layer and the second heat-insulating filler layer respectively, and two heat-insulating cavities are formed in the artificial board. The cavity between the base plate and the clamping plate is filled with the first heat insulation packing layer, the cavity between the clamping plate and the sleeve plate is filled with the second heat insulation packing layer, and the multi-layer heat insulation structure effectively reduces heat conduction paths and greatly reduces the heat transfer speed.

An insulating radiant barrier sheathing product formed by directly bonding or applying an insulating radiant barrier (IRB) material to the interior surface (i.e., facing the attic or other interior space) of a wood, wood-based, manufactured wood, or cellulosic panel or structural or sheathing panel. The IRB panel product may be used as a roof sheathing panel, with one or more outer protective and finishing layers applied to the outer surface, such as, but not limited to, an underlayment and roofing shingles. The IRB material may comprise a mixture of a radiant barrier (RB) paint and a granulated insulating material. The granulated insulating material may comprise cork, EPS, XPS, poly-iso, other similar insulating material, or combinations thereof. Alternatively, the IRB material may comprise a reflecting bubble-wrap layer.

The invention discloses a light-weight high-strength sound-insulation integrated wood-bamboo-based sandwich board structure and a manufacturing method, and belongs to the technical field of bamboo-wood composite materials, and the structure comprises an upper surface board, a lower surface board and a core layer frame. The texture directions of the upper surface board and the lower surface board are kept consistent; the core layer frame, the upper surface board and the lower surface board are of an orthogonal structure, and the core layer frame is formed by arranging a plurality of wood-bamboo-based unit frames in an array mode. The wood-bamboo-based unit frame is composed of reinforcing ribs and porous connecting units. And the core layer frame, the upper surface board and the lower surface board are pressed into an integral structure by adopting an adhesive such as phenolic resin adhesive, urea-formaldehyde resin adhesive or polyurethane adhesive through a hot-pressing or cold-pressing forming method, so that the connection and quick assembly of the wood-bamboo-based integrated sound insulation sandwich board are realized, and the problems that the existing bamboo laminated board is insufficient and heavy in silence, low in cost and the like are solved. The bamboo sandwich board is weak in bearing capacity, high in cost and low in production efficiency.

The invention relates to the technical field of facing artificial boards, in particular to a preparation method of an antistatic flame-retardant facing artificial board, which comprises a decorative paper preparation process, a base material preparation process and a compounding process, and the decorative paper preparation process sequentially comprises the following steps: step 1, obtaining a first raw material and a second raw material; secondly, the first raw material is treated in a blow molding mode, when the first raw material is subjected to blow molding to form a tubular hollow adhesive film and has the temperature of 110-120 DEG C, the second raw material with the temperature of 80-90 DEG C is provided for the outer side film face of the hollow adhesive film, and therefore the hollow decorative paper film is obtained; thirdly, the blow-molded hollow decorative paper film is led and taken; wherein the first raw material comprises a mixed adhesive added with a flame retardant, an initiator and a grafting monomer, and the second raw material comprises paper pulp added with an antistatic agent.

The invention discloses a preparation method of anti-cracking impregnated bond paper and application of the anti-cracking impregnated bond paper in a core-board. The preparation method comprises the following steps: adding water and a formaldehyde solution into a reaction kettle, adding melamine while stirring, adjusting the pH value to an alkaline range, heating for polycondensation to reach the standard, cooling, and adding a water-soluble mixture to obtain anti-cracking impregnated bond; and after the pre-impregnated gummed paper is impregnated with the anti-cracking impregnating adhesive twice and is subjected to segmented drying, the surface layer is coated with a glue solution containing a curing agent and a release agent in a rolling manner, and the anti-cracking impregnated paper is obtained after drying. Aiming at the problems that the impregnated decorative paper for artificial board decoration is easy to break, the storage life of the impregnating adhesive is short, the veneer artificial board is easy to crack and the like, the toughening type melamine formaldehyde resin is prepared by adopting a compounding technology and is applied to melamine paper and the veneer artificial board, and the method is simple and easy to implement.

A multi-layer insulated panel product for use in residential and commercial construction, including, but not limited to, for use as structural sheathing. The multi-layer panel product has a base panel substrate, which may be a manufactured wood, gypsum, plastic, or some other similar material, with a fire-resistant insulating layer affixed to a face of the base panel substrate. The insulating layer may be pre-affixed to the base panel substrate in the factory or on a production line, prior to transport and installation at a job site. An insulating layer may be affixed to two base panel substrates, one on each side of the insulating layer.

The present application relates to a kind of formaldehyde-free veneer and its preparation method.Formaldehyde-free veneer is made of formaldehyde-free substrate and improved formaldehyde-free veneer paper by flat paste process.Formaldehyde-free substrate includes substrate layer, balance layer and hard bottom coating, and its preparation involves multiple processes and uses innovative formaldehyde-free adhesive.The preparation method of formaldehyde-free veneer provided by the present application includes six steps of formaldehyde-free adhesive preparation, preparation of formaldehyde-free plywood and formaldehyde-free blockboard substrate, formaldehyde-free plywood and formaldehyde-free blockboard substrate making, formaldehyde-free substrate hardening treatment, high surface performance formaldehyde-free paper preparation and formaldehyde-free veneer composite making.The present application combines formaldehyde-free adhesive technology, high polymer surface treatment technology and low-temperature bonding low-energy production technology of wood-based panel, and the production process is advanced and efficient.In each process, through precise parameter control and advanced equipment and technology application, the stability and consistency of product quality in large-scale production process are ensured, and a new type of formaldehyde-free energy-saving veneer is prepared.

The invention belongs to the technical field of artificial boards, and relates to a manufacturing process of a fiberboard for a running board of a treadmill, which comprises a complete process from raw wood feeding to packaging and warehousing, and is characterized in that mountain miscellaneous wood stacked for not more than one month is selected as a raw material, and water-resistant high-strength melamine modified urea resin and a latent composite curing agent are applied; and drying, paving and hot pressing parameters are optimized. The water-resistant high-strength melamine modified urea-formaldehyde resin is synthesized by adopting an alkali-acid-acid-alkali process, and has the advantages of fast curing, strong bonding and good water resistance; the composite curing agent can avoid pre-curing and promote curing of the core layer; and hot pressing adopts a five-section warm-pressing zoning design. The surface layer density of the product is high, the static bending intensity reaches 49-55 MPa, the internal bonding strength, the water resistance and the environmental protection property are excellent, and the use requirements of the running board of the running machine are completely met.

The invention discloses an artificial board production energy consumption intelligent regulation and control method, and belongs to the technical field of industrial production control, and the method comprises the steps: collecting real-time process and energy consumption data of drying and hot pressing processes through a sensor network, and integrating the real-time process and energy consumption data with production batch information; based on mechanism and data driving model weighted fusion, constructing a hybrid prediction model of the drying and hot pressing key indexes; a multi-objective optimization model is established, an improved genetic algorithm is adopted for rolling solution, and optimal process control parameters are output; the parameters are issued and executed, and actual quality indexes are collected for feedback; and dynamically triggering incremental learning of the data driving model according to the prediction error, and updating the hybrid prediction model. According to the method, the problems that in artificial board production, energy consumption is high, quality fluctuation is large, and fixed technological parameters are difficult to adapt to dynamic changes are solved, collaborative optimization of energy consumption and quality and continuous self-adaption of the production process are achieved, production energy consumption is effectively reduced, and product quality is stabilized.

The invention relates to the technical field of artificial board processing, in particular to a preparation method of green low-toxicity flame-retardant plywood. The method comprises the following steps: S1, green synthesis and step-by-step dipping treatment of a complexing phosphorus-nitrogen flame retardant; s2, preparation of a flame-retardant adhesive and construction of an interface intumescent flame-retardant system; s3, stepped layered assembly and hot press molding; s4, conducting ion regulation and anti-rust treatment; wherein the complexing phosphorus-nitrogen flame retardant in the step S1 takes phosphorus and nitrogen as core flame-retardant elements and is synthesized through a complexing rapid reaction and cross-linking reaction technology, the reaction temperature is 80-100 DEG C, and the reaction time is 30-60 minutes; the mass ratio of the phosphorus-containing metal complex precursor to the nitrogen source compound to the chitosan to the catalytic substance is (2-3): (5-6): (1-3): (0.5-1). According to the flame-retardant plywood prepared through the method, the combustion rate growth index is smaller than 100 W / s, the 600-s total heat release amount is smaller than 7.0 MJ, the smoke generation rate index of the smoke generation characteristic is smaller than or equal to 30 m / s, the 600-s total smoke generation amount is smaller than or equal to 50 m, and multiple technical defects of traditional flame-retardant plywood are overcome.

The invention discloses a secondary three-dimensional recombination integrated preparation method for technical veneers. The method comprises the following steps: cooking, softening, rotatably cutting and drying a log, and then carrying out dyeing and gluing treatment; performing one-time recombination pressing by adopting time sequence linkage control of step heating and gradient pressure applying, and correspondingly starting a pressure applying gradient in each heating stage; the primary wood blank is cut according to a set angle and then subjected to secondary gluing and staggered directional paving, and secondary recombination pressing is carried out; and performing aging treatment in a controlled temperature and humidity environment by adopting periodic pressure reduction-repressing cyclic operation, and slicing to obtain a finished product. According to the method, a staggered reinforced structure is formed through secondary three-dimensional recombination, and time sequence linkage temperature and pressure control and periodic circulation aging are combined, so that the problems of product anisotropy, uneven density, insufficient stress release and the like are effectively solved, and the texture uniformity, mechanical strength and dimensional stability of the technical veneer are remarkably improved.

According to the intercalated flame-retardant veneer artificial board and the preparation method thereof, the intercalated flame-retardant veneer artificial board is used as a flame-retardant barrier, and the flame-retardant veneer artificial board with high flame-retardant performance is prepared through the steps of preparation of a flame-retardant adhesive, design of a hot-pressing process and the like. The preparation process and the flame-retardant artificial board veneer for preparation can be widely applied to flame retardance of various artificial boards, are particularly suitable for shaving boards, plywood, medium-density fiberboards and other artificial boards, and can greatly enhance the flame retardance of the artificial boards.

The utility model relates to the technical field of artificial board sticking processing, and particularly discloses an artificial board sticking and smearing tool which comprises a working table, a conveying belt is arranged on the inner wall of the working table, a smearing mechanism is arranged at the top of the working table, a stable moving assembly is arranged in the working table, and a mounting and dismounting assembly is arranged on one side of the stable moving assembly. According to the artificial board sticking and smearing tool, the stability of the whole stable moving assemblies in the moving process is ensured through double limiting of the stable moving assemblies on the sliding frame 22 through the sliding grooves and the limiting rods, shaking or deviation is avoided, and the stability of the artificial board sticking and smearing tool is improved. The artificial board can be kept stable in the moving process, the precision of operation such as smearing can be improved, and accurate positioning and firm clamping can be conducted on the artificial board through a positioning frame, a pneumatic clamping device and other parts in the assembly and disassembly assembly.

This invention belongs to the field of engineered wood products manufacturing, specifically a method for preparing low-formaldehyde finger-jointed boards based on bio-based modified adhesives. The method includes preparing an adhesive composed of modified soybean protein, non-formaldehyde crosslinking agents, micro / nano cellulose, nano-silica, and epoxidized vegetable oil elastomers; pre-treating the wood and cutting the finger joints; applying a sealing liquid via atomization for end-face damping treatment; performing quantitative adhesive application and stepped butt joint molding; and employing a multi-stage hot-pressing process involving preheating penetration, high-temperature curing, and cooling and pressure holding. Through the above technical solution, this application can achieve the formation of a dense adhesive film at the finger joint interface, significantly improving bonding strength and stability while reducing formaldehyde release.

The invention discloses a veneer artificial board surface roughness detection method which comprises the following steps: irradiating a board to be detected through a strip-shaped LED light source, and acquiring a board surface image by using an industrial camera; carrying out ROI extraction, graying, filtering and denoising to obtain a feature region image; extracting statistical features, texture features, structural features and frequency domain features of the feature region image to form feature vectors; and inputting the feature vector into a trained machine learning model to obtain the roughness grade of the to-be-detected plate, and completing roughness detection. The method realizes qualitative analysis of the surface roughness of the veneer artificial board, and is efficient, lossless, objective, consistent and low in cost.

The invention provides laminated wood based on impregnated gauze reinforcement and a preparation method of the laminated wood, and relates to the technical field of artificial boards. The preparation method of the laminated wood comprises the steps that S1, a wood veneer is subjected to gradient drying and plasma treatment, then the surface of the wood veneer is coated with modified phenolic resin glue, standing is conducted, and a pretreated wood veneer is obtained; s2, lignin fiber gauze is subjected to dipping treatment in the dipping liquid, and dipped gauze is obtained; s3, the wood veneers and the lignin fiber gauze are alternately stacked and arranged in the 0-degree / 90-degree / 0-degree texture direction, one layer of dipping gauze is clamped between every 2-4 layers of veneers, segmented hot pressing is conducted, and hot-pressed laminated wood is obtained; and S4, the hot-pressed laminated wood is subjected to hot-pile curing, then double-face sanding is conducted, a residual adhesive layer on the surface is removed, and the wood is obtained. The laminated wood is high in interface bonding strength and excellent in mechanical property and durability.

This application relates to the field of engineered wood panel manufacturing technology, and discloses a flexible, shapeable technological board and its preparation method. The technological board comprises two layers of reconstituted decorative veneers and a modified polyolefin adhesive film layer located between them. The adhesive film layer is made of metallocene propylene-based elastomer, polyolefin elastomer, maleic anhydride-grafted polyolefin initiator, crosslinking aid, and silane coupling agent. The preparation method includes: coating the surface of resin particles with liquid-phase additives, and obtaining an adhesive film with latent reactive activity through low-temperature extrusion casting; stacking the veneers and adhesive film layers, initiating crosslinking reaction and interfacial bonding through high-temperature hot pressing, and then holding the pressure and cooling for shaping. This invention solves the problems of high formaldehyde content and brittleness of traditional adhesives and poor heat resistance of ordinary thermoplastic films. The resulting board has excellent flexibility, heat creep resistance, and water-resistant bonding strength, meeting the requirements for irregular curved surface shaping.

The invention belongs to the technical field of artificial boards, and relates to a preparation method of a plastic fiberboard, which comprises the following steps: raw material preparation, fiber preparation, sizing, drying, paving and pre-pressing, hot pressing and post-treatment: during sizing, adding 1-10% of water-based plastic cement (acrylate emulsion), and matching with 0-20% of urea resin and / or 0-5% of isocyanate; the moisture content of the dried fibers is 6-10%, the hot pressing temperature is 160-200 DEG C, the pressure is 2-5 MPa, and the density of the board is controlled to be 600-800 kg / m < 3 >. The obtained fiberboard can directly achieve mould pressing with the depth larger than or equal to 4 mm without pretreatment, compared with a routing technology, the production efficiency can be greatly improved, meanwhile, the mould pressing technology does not have the high requirement of the routing technology for the density of the fiberboard, the density of the board can be reduced according to the requirement, wood raw materials are saved, and waste of the routing technology for raw materials can be omitted. The mechanical property reaches the national standard, the formaldehyde emission is low, and a formaldehyde-free plate can be manufactured; the method is suitable for an existing production line and is suitable for furniture, building decoration, door industry and other scenes needing three-dimensional modeling.

The utility model relates to the technical field of artificial board production and processing, in particular to a coating device for artificial board production, which comprises a conveying belt and a support frame bolted at the top of the conveying belt, and further comprises a hydraulic rod mounted at the top of the support frame, a coating roller is mounted on an output shaft of the hydraulic rod, and a rotating mechanism is arranged on one side of the hydraulic rod. A first rotating rod is mounted above the conveying belt; through cooperation of the hydraulic rod, the rotating mechanism, the first rotating rod and the second rotating rod, the brush rod can rotate on one side of the supporting block, the brush rod can clean the surface of an artificial board on the top of the conveying belt, the situation that dust on the surface of the artificial board affects coating is effectively reduced, and the service life of the coating is prolonged. And meanwhile, under the cooperation of a connecting shell and a limiting mechanism, the artificial board on the top of the conveying belt can be limited, and the situation that the artificial board deviates when the coating roller works is effectively reduced.

The invention discloses a color laminated board production process based on ultrahigh pressure dipping coloring, and belongs to the technical field of artificial board manufacturing. Firstly, high-temperature heat treatment is conducted on a wood veneer, and the pore structure of the wood veneer is optimized; then preparing a functionalized colored resin adhesive containing nanoscale coloring; the key step adopts a synergistic ultrahigh-pressure impregnation technology, so that resin deeply permeates into a wood cell wall layer, and coloring and reinforcing are integrated; and finally, the dipped wet-state veneer is subjected to one-time forming in a directional assembly and hot pressing process. Traditional dyeing and intermediate drying links are thoroughly omitted, dyeing wastewater is completely eradicated from the source, the process is remarkably shortened, and energy consumption is reduced. The obtained product has excellent physical and mechanical properties, extremely high dimensional stability and lasting color weather resistance, and is suitable for manufacturing high-end outdoor building materials and furniture.

A Class-A fire-protected wood product include: a wood product having exterior wood surfaces and being selected from the group consisting of finger-jointed wood products, dimensioned lumber products, cross-laminated timber (CLT) products, and engineered wood products (EWPs); and thin potassium salt crystalline coatings formed on the exterior wood surfaces of said wood product during a surface treatment process involving the coating of said exterior surfaces with an environmentally-clean fire inhibiting liquid chemical composition, so as to produce a Class-A fire-protected wood product having Class-A fire-protected wood surfaces, when water molecules in said environmentally-clean fire inhibiting liquid chemical composition evaporate to the environment during drying and formation of said thin potassium salt crystalline coatings. The thin potassium salt crystalline coatings protect the treated exterior surfaces against fire ignition and flame spread in the presence of fire, by interrupting the combustion phase of the fire by one or more pathways, and inhibiting fire ignition and flame spread.