Superfine plain weaving dust-free cloth and manufacturing method thereof
By using polyester brocade yarns of specific proportions and density to make ultra-fine plain woven dust-free cloth warp and weft yarns, and fine process processing, the problem of insufficient water absorption of existing dust-free cloth is solved, significantly improving the wiping effect and service life.
Patent Information
- Application Number
- CN202411689188.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-25
- Publication Date
- 2025-04-11
AI Technical Summary
The water absorption of existing ultra-fine plain woven dust-free cloth is generally not high, which affects its wiping effect.
The 75D/72F polyester brocade yarn and 75D/24F denatured polyester brocade yarn are used as warp and weft yarn. The polyester brocade ratio of the warp yarn is 8:2, the polyester brocade ratio of the weft yarn is 9:1, and the warp and weft yarn density are 36 pieces per centimeter. It is woven into white blanks through a water loom, and the refining, dehydration, shaping and cutting packaging process is carried out.
It significantly improves the water absorption of ultra-fine plain woven dust-free cloth, enhances the surface wiping effect, and feels fluffy. It is suitable for semiconductor assembly, LCD display products, precision instruments and other fields, and can be reused, extends service life and saves costs.
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of dust-free cloth production, and in particular relates to an ultra-fine plain woven dust-free cloth and a manufacturing method thereof. Background Art
[0002] Ultrafine plain woven dust-free cloth is generally produced by using 8:2 or 7:3 polyester-nylon composite yarn. The cleaning and packaging of the products are completed in the clean room, and can be widely used in semiconductor assembly production lines, LCD display product production lines, precision instrument production lines, optical product production lines, medical equipment production lines and dust-free workshops. At present, the water absorption of plain woven cloth is generally not high. In order to increase the water absorption of plain woven cloth and improve the wiping effect of dust-free cloth, our company has invented a process to increase the water absorption of ultrafine plain woven dust-free cloth and produced an ultrafine plain woven dust-free cloth with large water absorption. Summary of the invention
[0003] In order to overcome the defects existing in the background technology, the technical solution adopted by the present invention to solve the technical problem is: an ultra-fine plain woven dust-free cloth, characterized in that: the ultra-fine plain woven dust-free cloth blank is woven by a water loom to weave the warp and weft, the warp is composed of two warp yarns, the warp yarn is 75D / 72F polyester-nylon yarn, and the polyester-nylon ratio of the warp yarn is 8:2; the weft yarn is a single weft yarn, the weft yarn is 75D / 24F modified polyester-nylon yarn, and the polyester-nylon ratio of the weft yarn is 9:1, the warp density of the ultra-fine plain woven dust-free cloth blank is 36 strands per centimeter, and the weft density of the ultra-fine plain woven dust-free cloth blank is 36 strands per centimeter.
[0004] The method for preparing an ultra-fine plain woven dust-free cloth is characterized by the following steps:
[0005] (1) Refining stage: Refining the ultra-fine plain woven dust-free cloth blank, a. Adding pure water and grey cloth at room temperature into the dye vat, so that the weight ratio of grey cloth to pure water in the dye vat is 1:10-15; b. Raising the water temperature in the dye vat to 60 degrees Celsius, adding desizing agent and sodium hydroxide into the dye vat, so that the desizing agent contains 1.5-2 grams per liter of pure water in the dye vat, and the sodium hydroxide contains 0.5-1 grams per liter of pure water in the dye vat; c. Raising the temperature of the pure water in the dye vat to 90-100 degrees Celsius at a rate of 1.5-3 degrees Celsius per minute, and keeping it warm for 30-40 minutes. During this process, Stir the dye vat, the main pump speed is 600-800 rpm, the cloth lifting speed is 220-300 m / min, and the pressure in the dye vat is 0.1-0.2 MPa; d. Cool the pure water in the dye vat to 60 degrees Celsius at a rate of 1-1.5 degrees Celsius per minute, and then overflow the cold pure water for 10 minutes; e. Drain the pure water in the dye vat; f. Then add pure water at room temperature to the dye vat, the amount of pure water added is 10-15 times the weight of the grey cloth; g. After heating the pure water in the dye vat to 60 degrees Celsius at a rate of 1.5-3 degrees Celsius per minute, add desizing agent and hydrogen peroxide to the dye vat. Sodium hydroxide is added to make the desizing agent 1.5-2 grams per liter of pure water in the dye vat, and the sodium hydroxide is added to the pure water in the dye vat; h, then the pure water in the dye vat is heated to 90-100 degrees Celsius at a rate of 1.5-3 degrees Celsius per minute, and then kept warm for 30-40 minutes. During this process, the dye vat is continuously stirred, the main pump speed is 600-800 revolutions per minute, the cloth lifting speed is 220-300 meters per minute, the pressure in the dye vat is 0.1-0.2 MPa, and then the pure water in the dye vat is discharged; i, then pure water at room temperature is added to the dye vat, and the amount of pure water added is 10-15 times the weight of the grey cloth; j, then heat the pure water in the dye vat to 125-130 degrees Celsius at a rate of 1.5-3 degrees Celsius per minute, and keep it warm for 30 minutes. During this process, the dye vat is constantly stirred, the main pump speed is 600-800 revolutions per minute, the cloth lifting speed is 220-300 meters per minute, and the pressure in the dye vat is 0.1-0.2 MPa; k, cool the pure water in the dye vat to 60 degrees Celsius at a rate of 1-1.5 degrees Celsius per minute, and then overflow the cold pure water for 10 minutes; l, then drain the pure water in the dye vat and take out the ultra-fine plain woven dust-free white grey cloth;
[0006] (2) Dehydration: The ultrafine plain woven dust-free cloth white grey cloth is subjected to high-speed rotational dehydration at a speed of 700-800 revolutions per minute for a dehydration time of 10-20 minutes;
[0007] (3) Shaping: The shaping machine has 8 sections and is heated by natural gas combustion. The basis weight, thickness and width can be adjusted throughout the whole process. The shaping temperature is 160-170 degrees Celsius, the main machine speed is 20-30 meters per minute, the upper super is -20 to -25 meters per minute, the lower super is -20 to -25 meters per minute, the wind speed upwind is 80 meters per second, and the wind speed downwind is 85 meters per second. After shaping, the width of the embryo cloth is 125-135 cm, the gram weight is 160-170 grams per square meter, the thickness is 0.4-0.5 mm, and the water absorption is greater than 290 ml per square meter;
[0008] (4) Cutting and packaging: Cutting and packaging according to the specified size completes the preparation of the ultrafine plain woven dust-free cloth.
[0009] The present invention relates to an ultrafine flat woven dust-free cloth and a manufacturing method thereof. The manufacturing method of the ultrafine flat woven dust-free cloth has a reasonable structural design and a simple and scientific preparation process. The prepared ultrafine flat woven dust-free cloth has a strong water absorption capacity, a good surface wiping effect, a fluffier hand feel, and is more conducive to use in semiconductor assembly production lines, LCD display product production lines, precision instrument production lines, optical product production lines, medical equipment production lines and dust-free workshops. The cloth can be reused repeatedly, the wiping cloth itself is wear-resistant, the service life of the wiping cloth itself is extended, and the cost is saved. DETAILED DESCRIPTION
[0010] Specific embodiment 1, an ultra-fine plain woven dust-free cloth, the ultra-fine plain woven dust-free cloth blank is woven by a water loom to weave warp and weft, the warp is composed of two warp yarns, the warp yarn is 75D / 72F polyester-nylon yarn, and the polyester-nylon ratio of the warp yarn is 8:2; the weft is a single weft yarn, the weft yarn is 75D / 24F modified polyester-nylon yarn, and the polyester-nylon ratio of the weft yarn is 9:1, the warp density of the ultra-fine plain woven dust-free cloth blank is 36 strands per centimeter, and the weft density of the ultra-fine plain woven dust-free cloth blank is 36 strands per centimeter.
[0011] The method for preparing an ultra-fine plain woven dust-free cloth is characterized by the following steps:
[0012] (1) Refining stage: the ultra-fine plain woven dust-free cloth is refined, a. pure water and grey cloth at room temperature are added into the dye vat, so that the weight ratio of grey cloth to pure water in the dye vat is 1:10; b. the water temperature in the dye vat is raised to 60 degrees Celsius, and desizing agent and sodium hydroxide are added into the dye vat, so that the desizing agent contains 1.5 grams per liter of pure water in the dye vat, and the sodium hydroxide contains 0.5 grams per liter of pure water in the dye vat; c. the pure water in the dye vat is heated to 90 degrees Celsius at a rate of 1.5 degrees Celsius per minute, and then kept warm for 30 minutes. During the process, the dye vat is constantly stirred, the main pump speed is 600 rpm, the cloth lifting speed is 220 m / min, and the pressure in the dye vat is 0.1 MPa; d. The pure water in the dye vat is cooled to 60 degrees Celsius at a rate of 1 degree Celsius per minute, and then the cold pure water overflows for 10 minutes; e. The pure water in the dye vat is discharged; f. Then, pure water at room temperature is added to the dye vat, and the amount of pure water added is 10 times the weight of the grey cloth; g. The pure water in the dye vat is heated to 60 degrees Celsius at a rate of 1.5 degrees Celsius per minute, and then the pure water in the dye vat is added to the dye vat. Add desizing agent and sodium hydroxide, so that each liter of pure water in the dye vat contains 1.5 grams of desizing agent, and each liter of pure water in the dye vat contains 4 grams of sodium hydroxide; h, then heat the pure water in the dye vat to 90 degrees Celsius at a rate of 1.5 degrees Celsius per minute, and keep it warm for 30 minutes. During this process, the dye vat is constantly stirred, the main pump speed is 600 revolutions per minute, the cloth lifting speed is 220 meters per minute, and the pressure in the dye vat is 0.1 MPa. Then the pure water in the dye vat is discharged; i, then add pure water at room temperature to the dye vat, add pure water The amount is 10 times the weight of the grey cloth; j, then the pure water in the dye vat is heated to 125 degrees Celsius at a rate of 1.5 degrees Celsius per minute, and then kept warm for 30 minutes. During this process, the dye vat is constantly stirred, the main pump speed is 600 revolutions per minute, the cloth lifting speed is 220 meters per minute, and the pressure in the dye vat is 0.1 MPa; k, the pure water in the dye vat is cooled to 60 degrees Celsius at a rate of 1 degree Celsius per minute, and then the cold pure water overflows for 10 minutes; l, then the pure water in the dye vat is discharged, and the ultra-fine plain woven dust-free white grey cloth is taken out;
[0013] (2) Dehydration: The ultrafine plain woven dust-free cloth white grey cloth is subjected to high-speed rotary dehydration at a speed of 700 revolutions per minute for 10 minutes;
[0014] (3) Shaping: The shaping machine has 8 sections and is heated by natural gas combustion. The basis weight, thickness and width can be adjusted throughout the whole process. The shaping temperature is 160 degrees Celsius, the main machine speed is 20 meters per minute, the upper super is -20 to -25 meters per minute, the lower super is -20 to -25 meters per minute, the wind speed upwind is 80 meters per second, and the wind speed downwind is 85 meters per second. After shaping, the width of the embryo cloth is 125-135 cm, the gram weight is 160-170 grams per square meter, the thickness is 0.4-0.5 mm, and the water absorption is greater than 290 ml per square meter;
[0015] (4) Cutting and packaging: Cutting and packaging according to the specified size completes the preparation of the ultrafine plain woven dust-free cloth.
[0016] Specific embodiment 2, an ultra-fine plain woven dust-free cloth, the ultra-fine plain woven dust-free cloth blank is woven by a water loom to weave warp and weft, the warp is composed of two warp yarns, the warp yarn is 75D / 72F polyester-nylon yarn, and the polyester-nylon ratio of the warp yarn is 8:2; the weft is a single weft yarn, the weft yarn is 75D / 24F modified polyester-nylon yarn, and the polyester-nylon ratio of the weft yarn is 9:1, the warp density of the ultra-fine plain woven dust-free cloth blank is 36 strands per centimeter, and the weft density of the ultra-fine plain woven dust-free cloth blank is 36 strands per centimeter.
[0017] The method for preparing an ultra-fine plain woven dust-free cloth is characterized by the following steps:
[0018] (1) Refining stage: the ultra-fine plain woven dust-free cloth blank is refined, a. pure water and grey cloth at room temperature are added into the dye vat, so that the weight ratio of grey cloth to pure water in the dye vat is 1:12; b. the water temperature in the dye vat is raised to 60 degrees Celsius, and desizing agent and sodium hydroxide are added into the dye vat, so that the desizing agent contains 1.8 grams per liter of pure water in the dye vat, and the sodium hydroxide contains 0.6 grams per liter of pure water in the dye vat; c. the pure water in the dye vat is heated to 95 degrees Celsius at a rate of 2 degrees Celsius per minute, and then kept warm for 35 minutes. In this process, In the process, the dye vat is continuously stirred, the main pump speed is 700 rpm, the cloth lifting speed is 260 m / min, and the pressure in the dye vat is 0.15 MPa; d. The pure water in the dye vat is cooled down to 60 degrees Celsius at a rate of 1.2 degrees Celsius per minute, and then the cold pure water overflows for 10 minutes; e. The pure water in the dye vat is discharged; f. Then, pure water at room temperature is added to the dye vat, and the amount of pure water added is 12 times the weight of the grey cloth; g. After the pure water in the dye vat is heated to 60 degrees Celsius at a rate of 2 degrees Celsius per minute, the pure water is then added to the dye vat. desizing agent and sodium hydroxide, so that each liter of pure water in the dye vat contains 1.8 grams of desizing agent, and each liter of pure water in the dye vat contains 4.2 grams of sodium hydroxide; h, then the pure water in the dye vat is heated to 95 degrees Celsius at a rate of 2 degrees Celsius per minute, and kept warm for 35 minutes. During this process, the dye vat is constantly stirred, the main pump speed is 700 revolutions per minute, the cloth lifting speed is 280 meters per minute, the pressure in the dye vat is 0.15 MPa, and then the pure water in the dye vat is discharged; i, then pure water at room temperature is added to the dye vat, and the pure water is added The amount is 13 times the weight of the grey cloth; j, then the pure water in the dye vat is heated to 128 degrees Celsius at a rate of 2 degrees Celsius per minute, and then kept warm for 30 minutes. During this process, the dye vat is constantly stirred, the main pump speed is 700 revolutions per minute, the cloth lifting speed is 280 meters per minute, and the pressure in the dye vat is 0.15 MPa; k, the pure water in the dye vat is cooled to 60 degrees Celsius at a rate of 1.2 degrees Celsius per minute, and then the cold pure water overflows for 10 minutes; l, then the pure water in the dye vat is discharged, and the ultra-fine plain woven dust-free white fabric is taken out;
[0019] (2) Dehydration: The ultrafine plain woven dust-free cloth white grey cloth is subjected to high-speed rotary dehydration at a speed of 750 revolutions per minute for 15 minutes;
[0020] (3) Shaping: The shaping machine has 8 sections and is heated by natural gas combustion. The basis weight, thickness and width can be adjusted throughout the whole process. The shaping temperature is 160-170 degrees Celsius, the main machine speed is 20-30 meters per minute, the upper super is -20 to -25 meters per minute, the lower super is -20 to -25 meters per minute, the wind speed upwind is 80 meters per second, and the wind speed downwind is 85 meters per second. After shaping, the width of the embryo cloth is 125-135 cm, the gram weight is 160-170 grams per square meter, the thickness is 0.4-0.5 mm, and the water absorption is greater than 290 ml per square meter;
[0021] (4) Cutting and packaging: Cutting and packaging according to the specified size completes the preparation of the ultrafine plain woven dust-free cloth.
[0022] Specific embodiment three: An ultra-fine plain woven dust-free cloth, characterized in that: the ultra-fine plain woven dust-free cloth blank is woven by weaving warp and weft on a water loom, the warp is composed of two warp yarns, the warp yarn is 75D / 72F polyester-nylon yarn, and the polyester-nylon ratio of the warp yarn is 8:2; the weft yarn is a single weft yarn, the weft yarn is 75D / 24F modified polyester-nylon yarn, and the polyester-nylon ratio of the weft yarn is 9:1, the warp density of the ultra-fine plain woven dust-free cloth blank is 36 strands per centimeter, and the weft density of the ultra-fine plain woven dust-free cloth blank is 36 strands per centimeter.
[0023] The method for preparing an ultra-fine plain woven dust-free cloth is characterized by the following steps:
[0024] (1) Refining stage: the ultra-fine plain woven dust-free cloth is refined, a. pure water and grey cloth at room temperature are added into the dye vat, so that the weight ratio of grey cloth to pure water in the dye vat is 1:15; b. the water temperature in the dye vat is raised to 60 degrees Celsius, and desizing agent and sodium hydroxide are added into the dye vat, so that the desizing agent contains 2 grams per liter of pure water in the dye vat, and the sodium hydroxide contains 1 gram per liter of pure water in the dye vat; c. the pure water in the dye vat is heated to 100 degrees Celsius at a rate of 3 degrees Celsius per minute, and then kept warm for 40 minutes. , continuously stir the dye vat, the main pump speed is 800 rpm, the cloth lifting speed is 300 m / min, and the pressure in the dye vat is 0.2 MPa; d, cool the pure water in the dye vat to 60 degrees Celsius at a rate of 1.5 degrees Celsius per minute, and then overflow the cold pure water for 10 minutes; e, drain the pure water in the dye vat; f, then add pure water at room temperature to the dye vat, the amount of pure water added is 15 times the weight of the grey cloth; g, heat the pure water in the dye vat to 60 degrees Celsius at a rate of 3 degrees Celsius per minute, and then add desizing agent and sodium hydroxide, so that each liter of pure water in the dye vat contains 2 grams of desizing agent, so that each liter of pure water in the dye vat contains 4.5 grams of sodium hydroxide; h, then the pure water in the dye vat is heated to 100 degrees Celsius at a rate of 3 degrees Celsius per minute, and then kept warm for 40 minutes. During this process, the dye vat is constantly stirred, the main pump speed is 800 revolutions per minute, the cloth lifting speed is 300 meters per minute, the pressure in the dye vat is 0.2 MPa, and then the pure water in the dye vat is discharged; i, then pure water at room temperature is added to the dye vat, and the amount of pure water added is It is 15 times the weight of the grey cloth; j, then heat the pure water in the dye vat to 130 degrees Celsius at a rate of 3 degrees Celsius per minute, and keep it warm for 30 minutes. During this process, the dye vat is constantly stirred, the main pump speed is 800 revolutions per minute, the cloth lifting speed is 300 meters per minute, and the pressure in the dye vat is 0.2 MPa; k, cool the pure water in the dye vat to 60 degrees Celsius at a rate of 1.5 degrees Celsius per minute, and then overflow the cold pure water for 10 minutes; l, then drain the pure water in the dye vat and take out the ultra-fine plain woven dust-free white grey cloth;
[0025] (2) Dehydration: The ultrafine plain woven dust-free cloth white grey cloth is subjected to high-speed rotary dehydration at a speed of 800 revolutions per minute for 20 minutes;
[0026] (3) Shaping: The shaping machine has 8 sections and is heated by natural gas combustion. The basis weight, thickness and width can be adjusted throughout the whole process. The shaping temperature is 160-170 degrees Celsius, the main machine speed is 20-30 meters per minute, the upper super is -20 to -25 meters per minute, the lower super is -20 to -25 meters per minute, the wind speed upwind is 80 meters per second, and the wind speed downwind is 85 meters per second. After shaping, the width of the embryo cloth is 125-135 cm, the gram weight is 160-170 grams per square meter, the thickness is 0.4-0.5 mm, and the water absorption is greater than 290 ml per square meter;
[0027] (4) Cutting and packaging: Cutting and packaging according to the specified size completes the preparation of the ultrafine plain woven dust-free cloth.
[0028] The present invention relates to an ultrafine flat woven dust-free cloth and a manufacturing method thereof. The manufacturing method of the ultrafine flat woven dust-free cloth has a reasonable structural design and a simple and scientific preparation process. The prepared ultrafine flat woven dust-free cloth has a strong water absorption capacity, a good surface wiping effect, a fluffier hand feel, and is more conducive to use in semiconductor assembly production lines, LCD display product production lines, precision instrument production lines, optical product production lines, medical equipment production lines and dust-free workshops. The cloth can be reused repeatedly, the wiping cloth itself is wear-resistant, the service life of the wiping cloth itself is extended, and the cost is saved.
[0029] Obviously, the above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived therefrom are still within the scope of protection of the invention.
Claims
1. An ultra-fine plain woven dust-free cloth, characterized in that: The ultrafine plain woven dust-free cloth blank is woven by weaving warp and weft on a water loom, the warp is composed of two warp yarns, the warp yarn is 75D / 72F polyester-brocade yarn, and the polyester-brocade ratio of the warp yarn is 8:2; the weft is a single weft yarn, the weft yarn is 75D / 24F modified polyester-brocade yarn, and the polyester-brocade ratio of the weft yarn is 9:
1. The warp density of the ultrafine plain woven dust-free cloth blank is 36 strands per centimeter, and the weft density of the ultrafine plain woven dust-free cloth blank is 36 strands per centimeter.
2. The method for preparing an ultra-fine plain woven dust-free cloth according to claim 1, characterized in that The steps are: (1) Refining stage: Refining the ultra-fine plain woven dust-free cloth blank, a. Adding pure water and grey cloth at room temperature into the dye vat, so that the weight ratio of grey cloth to pure water in the dye vat is 1:10-15; b. Raising the water temperature in the dye vat to 60 degrees Celsius, adding desizing agent and sodium hydroxide into the dye vat, so that the desizing agent contains 1.5-2 grams per liter of pure water in the dye vat, and the sodium hydroxide contains 0.5-1 grams per liter of pure water in the dye vat; c. Raising the temperature of the pure water in the dye vat to 90-100 degrees Celsius at a rate of 1.5-3 degrees Celsius per minute, and keeping it warm for 30-40 minutes. During this process, Stir the dye vat, the main pump speed is 600-800 rpm, the cloth lifting speed is 220-300 m / min, and the pressure in the dye vat is 0.1-0.2 MPa; d. Cool the pure water in the dye vat to 60 degrees Celsius at a rate of 1-1.5 degrees Celsius per minute, and then overflow the cold pure water for 10 minutes; e. Drain the pure water in the dye vat; f. Then add pure water at room temperature to the dye vat, the amount of pure water added is 10-15 times the weight of the grey cloth; g. After heating the pure water in the dye vat to 60 degrees Celsius at a rate of 1.5-3 degrees Celsius per minute, add desizing agent and hydrogen peroxide to the dye vat. Sodium hydroxide is added to make the desizing agent 1.5-2 grams per liter of pure water in the dye vat, and the sodium hydroxide is added to the pure water in the dye vat; h, then the pure water in the dye vat is heated to 90-100 degrees Celsius at a rate of 1.5-3 degrees Celsius per minute, and then kept warm for 30-40 minutes. During this process, the dye vat is continuously stirred, the main pump speed is 600-800 revolutions per minute, the cloth lifting speed is 220-300 meters per minute, the pressure in the dye vat is 0.1-0.2 MPa, and then the pure water in the dye vat is discharged; i, then pure water at room temperature is added to the dye vat, and the amount of pure water added is 10-15 times the weight of the grey cloth; j, then heat the pure water in the dye vat to 125-130 degrees Celsius at a rate of 1.5-3 degrees Celsius per minute, and keep it warm for 30 minutes. During this process, the dye vat is constantly stirred, the main pump speed is 600-800 revolutions per minute, the cloth lifting speed is 220-300 meters per minute, and the pressure in the dye vat is 0.1-0.2 MPa; k, cool the pure water in the dye vat to 60 degrees Celsius at a rate of 1-1.5 degrees Celsius per minute, and then overflow the cold pure water for 10 minutes; l, then drain the pure water in the dye vat and take out the ultra-fine plain woven dust-free white grey cloth; (2) Dehydration: The ultrafine plain woven dust-free cloth white grey cloth is subjected to high-speed rotational dehydration at a speed of 700-800 revolutions per minute for a dehydration time of 10-20 minutes; (3) Shaping: The shaping machine has 8 sections and is heated by natural gas combustion. The basis weight, thickness and width can be adjusted throughout the whole process. The shaping temperature is 160-170 degrees Celsius, the main machine speed is 20-30 meters per minute, the upper super is -20 to -25 meters per minute, the lower super is -20 to -25 meters per minute, the wind speed upwind is 80 meters per second, and the wind speed downwind is 85 meters per second. After shaping, the width of the embryo cloth is 125-135 cm, the gram weight is 160-170 grams per square meter, the thickness is 0.4-0.5 mm, and the water absorption is greater than 290 ml per square meter; (4) Cutting and packaging: Cutting and packaging according to the specified size completes the preparation of the ultrafine plain woven dust-free cloth.