406 results about "Artificial stone" patented technology

A method of manufacturing an artificial stone slab comprising pouring a first layer (10) of a first material; depositing a pattern of veins (30) of a second material on the first layer (10) and / or within a pattern of grooves (40) defined therein; depositing a second layer (20) of a third material covering the first layer (10) and the pattern of veins (30), applying vacuum and vibration to the materials and curing said materials obtaining the artificial stone slab; wherein the third material is less fluid and / or denser than the second material, the vibration producing the raising of the second material through the second layer (20); or the first material is more fluid and / or less dense than the second material, the vibration producing the sinking of the second material through the first layer (10).

The invention discloses an artificial quartz stone plate fine trimming device, and belongs to the technical field of plate trimming devices, the artificial quartz stone plate fine trimming device comprises a bottom plate, a trimming frame, a moving device, an inner wall mounted on the trimming frame and used for driving an artificial quartz stone plate to move, and a moving frame mounted on the top of the outer wall of the moving device and used for driving the artificial quartz stone plate to move. The rack is used for placing artificial quartz stone plates. According to the artificial quartz stone plate fine trimming device, a centering mechanism is matched with a third forward and reverse motor to drive a third two-way threaded rod to rotate, so that two clamping plates are close to each other on a second guide rod, an artificial quartz stone plate can be accurately fixed to the center position of a moving frame, the position precision of the plate in the trimming process is guaranteed, and the trimming quality is improved; the height of the feeding table is adjusted through the lifting component to be matched with the height of the moving frame, then the plates are pushed to the moving frame from the feeding table through the feeding component, automatic feeding of the plates is achieved, and the machining efficiency is improved.

The invention relates to a washing and / or cleaning agent, comprising at least one peptide and at least one enzyme which has hydrolytic activity on an ester bond, preferably selected from lipase and esterase, in particular esterase with lipolytic activity, particularly preferably lipase, wherein the peptide is suitable for adhesion to a fat- and / or oil-containing surface or to a surface coated with fat and / or oil or to a surface provided with at least one fat- and / or oil-containing soil, wherein the surface consists of hard surfaces, more preferably surfaces containing or consisting of ceramic (e.g. porcelain, earthenware), metal, steel, stainless steel, plastic, glass, natural and artificial stone, painted and enamelled surfaces, wood, laminate, linoleum and mixtures thereof, particularly preferably tableware (preferably made of ceramic such as porcelain or earthenware and plastic), metal (e.g.cutlery or pots) or glass and mixtures thereof, particularly preferably tableware (preferably made of ceramic such as porcelain or earthenware and plastic), metal (e.g. cutlery or pots) or glass, and / or textiles, more preferably textiles containing or consisting of cotton, polyester, polyamide, polypropylene and mixtures thereof, particularly preferably cotton, polyester and mixtures thereof. Furthermore, the invention relates to methods for cleaning hard surfaces and / or textiles, and to the use of such peptides and agents for improving the cleaning performance on at least one greasy and / or oily soil.

The invention relates to the field of faucets, in particular to an environment-friendly artificial stone faucet, a mold for manufacturing the faucet and a machining method.The environment-friendly artificial stone faucet comprises a faucet body made of artificial stone, a water passing assembly made of plastic is arranged in the faucet body, and the water passing assembly comprises a water outlet nozzle, a first pipe, an installation assembly and a second pipe, the mounting assembly comprises a valve element part, a communicating part and a mounting part which are sequentially connected, two communicating holes are formed in the cavity bottom of the valve element part and face the communicating part, two threaded mounting holes are formed in the cavity bottom of the mounting part and face the communicating part, two expanding parts are arranged on one side of the communicating part, and two reinforcing parts are arranged on the other side of the communicating part. And part cost is saved, energy consumption of metal machining is reduced, machining is efficient, the technology is simple, more environmental protection is achieved, and sustainable development is facilitated.

The invention provides an artificial quartz stone plate chamfering device which comprises a base, a chamfering device and a chamfering device. A working groove used for storing water is formed in the top of the base. The chamfering assembly is arranged at the top of the base in a sliding mode and used for cutting the artificial quartz stone plate; and the positioning assembly is arranged in the base and used for fixing the artificial quartz stone plate. The invention belongs to the technical field of quartz stone plate processing. According to the chamfering device, the probability of chamfering edge breakage of the artificial quartz stone plate can be reduced, the chamfering efficiency of the artificial quartz stone plate is improved, and therefore the machining cost of the artificial quartz stone plate is greatly reduced.

The present invention relates to the field of faucets, and specifically relates to an environmentally friendly artificial stone faucet, a mold for making the faucet, and a processing method. The faucet comprises a faucet body made of artificial stone, a water flow assembly made of plastic disposed within the faucet body, the water flow assembly comprising an integrally formed water outlet and a first tube, an integrally formed mounting assembly, and a second tube. The mounting assembly comprises a valve core portion, a connecting portion, and a mounting portion connected in sequence. The bottom cavity of the valve core portion is provided with two connecting holes facing the connecting portion, and the bottom cavity of the mounting portion is provided with two threaded mounting holes facing the connecting portion. Two enlarged portions are provided on one side of the connecting portion, and two reinforced portions are provided on the other side. Through the above-mentioned arrangement, the cost of parts is saved, the energy consumption of metal processing is saved, the processing is efficient, the process is simple, and it is more environmentally friendly and conducive to sustainable development.

The invention relates to the technical field of building materials, in particular to a high-stability fireproof compression-resistant artificial stone and a preparation method thereof.The high-stability fireproof compression-resistant artificial stone is characterized in that a tight and stable structure is formed in the artificial stone through the mutual promotion synergistic effect of a gelling system, a reinforcing material and an auxiliary agent and the synergistic effect of the gelling system, the reinforcing material and the auxiliary agent. The gelling system provides basic adhesion and stability, the reinforcing material further strengthens the stability of the structure, and the auxiliary agent ensures the smooth proceeding of the whole preparation process and the stability of the final performance. Due to the comprehensive action, the artificial stone can keep the structural integrity in the long-term use process, is not prone to deformation, cracking and the like, can meet the requirements for the mechanical property of materials in the fields of building decoration, furniture manufacturing and the like, and solves the problems that in the prior art, the flame retardance and the mechanical property are difficult to consider, and the raw material compatibility is poor; wide application prospects are realized.

The invention belongs to the technical field of defect detection, and particularly relates to an artificial quartz stone plate surface defect detection system and method to solve the technical problem that normal textures are easily misjudged as defects in an existing detection method. The detection system comprises an acquisition module which combines color components and anisotropy degrees into multi-dimensional features and arranges the multi-dimensional features of all pixels into an observation matrix; the construction module is used for decomposing the observation matrix into linear superposition of a global background low-rank matrix, a local texture low-rank matrix and a defect sparse matrix; and the extraction module is used for calculating the area of each candidate defect connected domain, the length-width ratio of a bounding rectangle, the average chromatic aberration and the average anisotropy degree. According to the invention, the screening standard can be obtained according to the texture characteristics of the candidate region, pseudo defects caused by noise or background residue can be reduced, and high accuracy and high reliability of the detection result are ensured.

The invention discloses an anti-skid resin type artificial stone material which comprises the following raw materials in parts by weight: 10 parts of composite resin, 55-70 parts of modified stone aggregate, 10-25 parts of needle-like wollastonite, 0.4-0.8 part of a curing agent, 0.05-0.2 part of a catalyst and 0.05-0.2 part of a light stabilizer, the composite resin comprises unsaturated polyester resin and an anti-skid filler in a mass ratio of 9: 1-7: 3, and the anti-skid resin type artificial stone material is prepared from the following raw materials in parts by weight: 10 parts of modified stone aggregate, 10-25 parts of needle-like wollastonite, 0.4-0.8 part of a curing agent, 0.05-0.2 part of a catalyst and 0.05-0.2 part of a light stabilizer. The anti-skid filler is one of ethylene glycol acrylate, glyceryl acrylate and acrylic acid modified sorbitol, the modified stone aggregate is formed by modifying stone aggregate through a stone aggregate modifier, and the catalyst is one of cobalt naphthenate, cobalt iso-octoate and manganese iso-octoate. The invention further discloses a preparation method of the anti-skid resin type artificial stone material, optimization balance of the anti-skid performance and other key performance of the artificial stone material is achieved, the application value of the artificial stone material in building decoration can be improved, and the safety and attractiveness of building space can be remarkably improved.

The utility model relates to the technical field of marble, and provides an anti-cracking artificial stone slab capable of relieving vibration force, which is good in anti-vibration effect and strong in protectiveness and comprises a marble base plate, a marble outer plate is arranged on the marble base plate, and a plurality of buffer structures are arranged between the bottom surface of the marble outer plate and the top surface of the marble base plate. After the marble outer plate is impacted, the buffer structure deforms and absorbs impact.

The invention relates to the technical field of post-processing of artificial stone plates, in particular to a floating type power head for artificial stone plate processing, which comprises a mounting seat, a terminal driving mechanism, a nested cylinder and a grinding and cutting terminal, the terminal driving mechanism is mounted on the mounting seat and drives the grinding and cutting terminal to rotate for machining in a non-coaxial driving manner; the nested cylinder comprises an outer shell, an inner shell and an output shaft; a floating air pipe is communicated with the interior of the outer shell, and the floating air pipe drives the inner shell and the output shaft to float in the axial direction of the outer shell in a pneumatic retracting and releasing mode by introducing air into the outer shell or retracting air into the outer shell. A replacement air pipe is communicated with the interior of the inner shell, and the replacement air pipe drives the output shaft to achieve disassembly or assembly of the abrasion cutting terminal by introducing air into the inner shell or collecting air from the inner shell and combining the effect of a reset spring. The technical problems that according to an existing artificial stone plate power head, the motion dimension is limited, the abrasion cutting terminal replacement efficiency is low, and the structure interference problem is prominent can be solved.

The invention relates to the technical field of artificial quartz stone processing, in particular to a precise positioning artificial quartz stone plate cutting device which comprises a plurality of sets of horizontally-arranged rotating shafts, a plurality of sets of roller pieces are axially and slidably connected to the rotating shafts, and an extrusion spring is fixedly connected between every two adjacent roller pieces. The positioning plate only moves in the axial direction of the positive and negative tooth lead screw and is independent of the conveying action of the roller pieces, the motion trail cannot interfere with a conveying structure, the problem that in a traditional cutting device, positioning is inaccurate due to space conflict of a conveying structure and a clamping structure is solved, and the positioning accuracy and stability are guaranteed. And meanwhile, the positive and negative tooth lead screws drive the positioning plates to move oppositely, the positioning plates squeeze the roller pieces to enable the roller pieces to adapt to the size change of the plate, finally, the roller pieces are tightly attached to the two sides of the plate, all-directional clamping and fixing are achieved, the stability of the plate in the cutting process is enhanced, the conditions of shaking, displacement and the like of the plate are prevented, and therefore high-precision precise positioning can be completed.

A method for manufacturing an engineered stone, the method including: providing a mixture comprising at least a stone or stone like material and a binder; compacting the mixture; curing the binder; and further comprising printing a printed pattern on at least a top surface of the engineered stone.

A wall panel serves as a surface layer for interior walls or ceilings and includes: a first structural layer, serving as the surface layer of the wall panel, with a material including natural stone or artificial stone; and a second structural layer, with a material including fiber material, located within the first structural layer. This type of wall panel, by utilizing the advantages of the respective materials of the first structural layer and the second structural layer, has high impact resistance and alkali resistance, and can be widely used in various applications such as interior walls, exterior walls, and ceilings.

The invention relates to the technical field of artificial stones, in particular to an artificial stone with high mechanical property and a preparation method of the artificial stone. The artificial stone slurry is prepared from the following components in parts by mass: 3 to 60 parts of extra-coarse aggregate, 2 to 40 parts of common coarse aggregate, 17 to 65 parts of calcium sand, 12 to 30 parts of cement, 0.5 to 6 parts of active mineral admixture, 0.01 to 2 parts of suspension stabilizer, 0.3 to 2.5 parts of water reducing agent, 0.1 to 2 parts of fiber and 4.0 to 7.5 parts of water, the particle size of the extra-coarse aggregate is 12-100 cm; and the particle size of the common coarse aggregate is 0.1-10 cm. According to the artificial stone with the high mechanical property, the extra-coarse aggregate is applied to the artificial stone, the mechanical property and the appearance of the artificial stone are improved on the premise that the sedimentation problem of the extra-coarse aggregate is effectively solved and stable application of the extra-coarse aggregate in the artificial stone is ensured, and the defects in the prior art are overcome.

The utility model discloses a wide-grain filling device and a powder distributing machine. The wide-grain filling device comprises a wide-grain distribution hopper, a wide-grain distribution frame and a wide-grain rotation driver; the wide-grain distribution hopper is provided with a wide-grain feeding channel; the wide-grain material distribution frame is provided with a long-wide material distribution opening, and the input end of the long-wide material distribution opening is communicated with the output end below the wide-grain feeding channel; the length-width ratio of the length-width distribution opening is greater than 1; and the wide-grain rotation driver is used for driving the wide-grain material distribution frame to rotate and adjusting the length direction and the width direction of the length-width material distribution opening. According to the scheme, width control over the filling texture can be achieved, the filling efficiency of the width texture is improved, the plate blank can form the three-dimensional, natural, unique and attractive texture, the texture is closer to the natural texture, and the problems that the texture of an existing artificial stone plate blank lacks the three-dimensional sense and the natural sense, and the filling efficiency is low are solved.

The invention discloses a natural stone texture imitating artificial stone sample color detection device, and relates to the technical field of detection, the natural stone texture imitating artificial stone sample color detection device comprises a vertical machine shell, the vertical machine shell is internally divided into an upper layer mounting area, a middle layer mounting area and a lower layer mounting area along the height direction; the illumination simulation system comprises a first illumination module mounted in the middle-layer mounting area and a second illumination module mounted in the upper-layer mounting area, the first illumination module is used for simulating morning light and evening light in daily life, and the second illumination module is used for simulating noon vertical light; and the sample conveying and positioning mechanism is arranged in the lower-layer mounting area. Through illumination scene precision, detection process automation and module layout rationalization, the core defects of traditional manual detection are effectively overcome, the accuracy and consistency of natural stone imitating artificial stone flower color detection can be improved, the large-scale production requirement can be met, and the method is suitable for large-scale production. The method is of great significance to promotion of industry detection technology upgrading, reduction of user complaints and improvement of product market competitiveness.

The invention discloses a production process of a composite artificial stone and a composite terrazzo, and relates to a production process for manufacturing a composite artificial stone with the thickness of 8-20 mm or a terrazzo material with the thickness of 8-20 mm by compounding an artificial stone with the thickness of 3-10 mm or a terrazzo with the thickness of 3-10 mm and a ceramic tile with the thickness of 5-10 mm, in particular to the field of compositions of building materials. In order to reduce the production cost of artificial stone and terrazzo materials, the transportation cost, the construction paving auxiliary material cost and the stone hollowing and cracking risk, the invention provides the production process of the composite artificial stone and the composite terrazzo, the surface of the composite artificial stone adopts an artificial stone with the thickness of 3-10mm and a ceramic tile with the thickness of 5-10mm as a base layer, and the surface of the composite artificial stone adopts the ceramic tile with the thickness of 5-10mm as the base layer. The middle part is bonded and compounded by adopting a special adhesive; the surface of the composite terrazzo adopts a terrazzo with the thickness of 3-10mm and a ceramic tile with the thickness of 5-10mm as a base layer, and the middle of the composite terrazzo is bonded and compounded by adopting a special adhesive. The invention relates to a novel building material formed by compounding two building materials.

1. Name of the designed product: single-slot artificial stone washing machine. 2. Use of the designed product: water pool for washing clothes. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view.

The utility model discloses a high-hardness wear-resistant artificial stone, and relates to the technical field of artificial stones. The artificial stone comprises two artificial stone bodies, connecting blocks are fixed to the two ends of the artificial stone body correspondingly, semicircular limiting grooves are formed in the two connecting blocks correspondingly, arc-shaped limiting blocks are rotationally arranged in the two semicircular limiting grooves correspondingly, semicircular connecting rotating blocks are fixed to the inner walls of the two arc-shaped limiting blocks correspondingly, and the two arc-shaped limiting blocks are matched with the two semicircular limiting grooves correspondingly. A set of matching assembly is arranged between the two semicircular connecting rotating blocks and used for connecting the two connecting blocks in an aligned mode. And through the arrangement of the matching assembly and the positioning assembly, rapid and stable connection between the artificial stone bodies is achieved.

The present application relates to the technical field of visual detection of forming size. The present application relates to a visual detection system for forming size of industrial solid waste artificial stone. The system comprises a data acquisition module, a historical texture processing module, a real-time size acquisition module, a real-time texture matching module and a forming size determination module. The data acquisition module is used to collect a list of industrial solid waste for artificial stone manufacturing, and simultaneously collect historical production data. According to the list of industrial solid waste, the same type of historical stone image is extracted in the historical production data. By establishing a matching extraction mechanism of the list of industrial solid waste and the historical production data, the same category of historical stone image and texture size information can be quickly retrieved according to the type of solid waste used in the current production, the accurate correspondence between the historical data and the real-time detection object is realized, the texture and size reference deviation caused by the composition and category difference of the industrial solid waste is effectively avoided, and the consistency and reliability of the detection reference are improved.

The utility model discloses a temperature control color difference prevention plate stirrer for artificial stone plate production, which belongs to the technical field of artificial stone plate production equipment and comprises a water bath thermotank, a support, a material mixing tank, a stirring motor, a stirrer and a temperature regulation and control machine. The water bath constant-temperature box is communicated with the temperature regulation and control machine through a water circulation pipeline, the temperature regulation and control machine drives circulating water to flow in a circulation system formed by the water bath constant-temperature box, the water circulation pipeline and the temperature regulation and control machine through a water pump, and the circulating water is regulated and controlled to be in a constant-temperature state; a feeding pipe is arranged at the top of the mixing tank, and the stirring motor is arranged at the top of the feeding pipe and connected with the stirrer; and a discharge pipe is arranged at the bottom of the mixing tank. The temperature regulating and controlling machine is used for heating circulating water, the temperature in the material mixing tank can be effectively controlled within a preset range, and therefore color difference of plates is effectively prevented, the quality of the plates is ensured, particularly, the material mixing tank is arranged in the water bath constant temperature box, the material mixing tank is fully wrapped by water in the water bath constant temperature box, and the temperature control effect is better.

The utility model relates to the technical field of artificial stone table top production, and discloses a split type curtain coating machine for artificial stone table top production. Comprising an operation plate, a water collection plate is fixedly connected to the surface of the operation plate, and a position sensor is fixedly connected to the front face of a supporting block, so that when the artificial stone moves to a proper position, an air cylinder located at the upper end of the supporting block is started, and the air cylinder drives a pressing rod at the output end of the air cylinder to repeatedly move downwards up and down; meanwhile, a pressing rod is fixedly connected to the lower portion of the air cylinder, so that the pressing rod continues to push the curtain coating machine below the pressing rod to be close to the direction of the artificial stone till a sprayer at the lower end of the curtain coating machine makes contact with the artificial stone, and the spraying work of the artificial stone is completed; and meanwhile, water collecting plates are fixedly connected to the two ends of the operation plate, sprayed liquid can be recycled by the water collecting plates, and therefore the quality of the obtained artificial stone is guaranteed while the utilization rate of the raw materials is increased.

The application provides a resin type artificial stone chemical component analysis device, and relates to the technical field of material spectrum analysis. The device comprises an infrared spectrometer, a driving mechanism, a pretreatment assembly and a tablet pressing mechanism. One side of the infrared spectrometer is provided with a detection table. The surface of the detection table is provided with a detection groove. The surface of the detection groove is screwed with an inclined plate. The middle of the inclined plate is integrally formed with a positioning table. The surface of the positioning table is provided with a hole. One end of the infrared spectrometer is built with a tablet pressing mechanism. The middle of the detection groove is inserted with a driving mechanism. The single driving mechanism is used for simultaneously controlling the slow rotary motion of the two groups of pretreatment assemblies, so that the sample preparation and detection process can be synchronized, the utilization rate of the power equipment is improved, and the analysis efficiency is improved. The sample pretreatment, detection analysis and post-cleaning can be quickly and seamlessly connected, and the automatic resetting process is realized.

The utility model belongs to the technical field of bathroom bathtubs, discloses a customizable bathroom bathtub, and solves the technical problems that in the prior art, when a bathroom bathtub with rock plates or artificial stones as basic materials is customized, the process period is long, operation is complex, and cost is high. Comprising a basin face and a basin container, the basin face is a rectangular square plate with a hollow structure, the top of the basin container is fixed on the basin face through the hollow structure, the basin further comprises a basin edge, the edge of the basin face is a basin edge, the plane where the basin edge is located is perpendicular to the plane where the basin face is located, and the basin edge is fixedly arranged on the basin edge. And the basin surface, the basin liner and the basin edge are made of acrylic materials.

The utility model provides an adjustable spraying device which comprises a containing plate, a middle limiting assembly is arranged at the top of the containing plate, side edge limiting assemblies are arranged on the two sides of the middle limiting assembly, the middle limiting assembly comprises a middle frame, two first moving seats are symmetrically installed in the middle frame in a sliding mode, and the two first moving seats are arranged in the middle frame in a sliding mode. The bottom of the first moving seat is rotatably provided with a first driving wheel, the surface of the first driving wheel is sleeved with a first belt, the bottom of the first belt is fixedly provided with a mounting frame, the surface of the mounting frame is provided with a spray pipe, the side edge limiting assembly comprises side frames, and the side frames are fixed to the two sides of the placing plate. Compared with the prior art, through the cooperation effect of the middle limiting assembly and the side edge limiting assemblies, limiting and clamping are automatically conducted according to the transverse and longitudinal sizes of the artificial stone, the movable range of the spraying pipe is adjusted according to the size of the artificial stone, and pigment is prevented from being sprayed to the outside.

The present invention relates to the technical field of interior decoration, and specifically discloses a preparation method of an artificial stone coating. First, [VBIM][Cl] is prepared, and then the crosslinking agent IL is prepared; [VBIM][Cl] is added to methanol and stirred, with a solid content of 40-70 wt%, the crosslinking agent IL is added, and 1-5 wt% of a photoinitiator is added while stirring, and then it is loaded on an inert carrier, and a PILs coating is prepared by ultraviolet light irradiation; [BMIM][BF4] with a volume content of 10-80% is ultrasonically dispersed in methanol, then brushed on the PILs coating and infiltrated, and a hydrophilic artificial stone coating is prepared by water washing; or [BMIM][PF6] with a volume content of 10-80% is ultrasonically dispersed in methanol, then brushed on the PILs coating and infiltrated, and a hydrophobic artificial stone coating is prepared by water washing, achieving the effects of anti-fouling and moisture-proof of the artificial stone coating.

The invention provides an artificial stone efflorescence-resistant material and a preparation method and application thereof, and relates to the technical field of solid waste resource utilization, the artificial stone efflorescence-resistant material comprises the following raw material components: cement, slag powder, gypsum, zinc-tungsten composite smelting slag and an early strength agent, the zinc-tungsten composite smelting slag is prepared by adding CaO and triethanolamine into mixed powder of zinc smelting slag and tungsten smelting slag and mixing. The artificial stone efflorescence-resistant material is mainly prepared from industrial waste residues through a special process and can directly replace an artificial stone cementing material, generation of alkaline hydration products in the artificial stone is greatly reduced from the source, meanwhile, due to the excellent grading and water retention performance of the efflorescence-resistant material, after the artificial stone is installed, water in the artificial stone is little evaporated, and the service life of the artificial stone is prolonged. According to the present invention, the problem of the recycling of the zinc smelting slag and tungsten smelting slag industrial solid waste can be solved, and the low-cost reliable alkali efflorescence resistance material can be provided for the artificial stone industry.

The present invention discloses a 3D printing device for artificial stone patterned plates and a manufacturing method thereof, relating to the field of artificial stone manufacturing technology. The device comprises: a workbench on which a mold frame for casting the patterned plates is placed; a support frame mounted above the workbench; a movable block slidably connected to the support frame and located above the workbench; a pouring mechanism mounted on the movable block and used for printing the pattern of the patterned plates and pouring the base color; a first movable mechanism for driving the movable block to move along the width of the workbench; a second movable mechanism for driving the support frame to move along the length of the workbench; a lifting mechanism for adjusting the vertical movement of the pouring mechanism; and a control module electrically connected to the first movable mechanism, the second movable mechanism, the lifting mechanism, and the pouring mechanism. This application achieves the effect of realizing the automated production of artificial stone patterned plates and improving production efficiency.

An artificial stone and a method of making the artificial are disclosed. The artificial stone comprises: 6 to 16 wt.% acrylic thermoset resin; and 84 to 94% fused silica particles, wherein at least 40 wt.% of the fused silica particles are characterized by a particle size larger than 100 pm.