Tarpaulin is a waterproof material with high strength, good toughness and softness. It is often used as canvas (canvas), polyester with polyurethane coating or made of polyethylene plastic. Tarpaulins usually have sturdy grommets at the corners or edges for easy lashing, hanging or covering. Three-proof cloth is PVC coated glass fiber cloth. Polyvinyl chloride (PVC) coated cloth is based on glass fiber cloth, glass cotton cloth and chemical fiber cloth, and is coated with special technology. PVC three-proof tarpaulin coated high-strength polyester waterproof cloth is made of high-strength polyester canvas The base cloth is coated with polyvinyl chloride (PVC) paste resin and mixed with various chemical additives such as speed-up agent, mildew inhibitor, anti-aging agent, anti-static agent, etc., and is plasticized at high temperature. PVC three-proof tarpaulin plastic-coated high-strength polyester waterproof cloth is based on high-strength polyester canvas, coated with polyvinyl chloride paste resin and added with speed-increasing agent, anti-mildew agent, anti-aging agent, anti-static agent, etc. Chemical additives, plasticized at high temperature. It has the properties of waterproof, mildew resistance, cold resistance, aging resistance, anti-static and so on; and the breaking strength, tear elongation and tearing strength of this product are much better than traditional tarpaulins; the appearance of the product is colorful and pleasing to the eye. The surface is specially treated for anti-slip effect. It is a popular waterproof fabric in the world. The width is extra large, reaching 2 meters wide. When processing finished products, it can reduce the seam and improve the quality. And can produce products with different functions, different colors and different thicknesses according to user needs. There are many kinds of glues for PVC three-proof tarpaulin to choose from, but no matter which kind of glue, if you don't make additional layers, the effect is not good. It is recommended that you take a piece of tarpaulin of the same material, the size of which is not less than 2cm wide on both sides and the leaking part. Attached to the outer layer of the tarpaulin, after bonding with 502 or epoxy resin, use nylon thread to sew to form a closed circular protection area. Note that the glue should not use two-component adhesive or other special adhesives for pipes . 1. Characteristics and performance indicators of PVC three-proof tarpaulin: warp strength≥2100N/5CM Weft Strength≥1600N/5CM; no water leakage, water pressure resistance≥2000MM water column; low temperature resistance, cold resistance temperature of -20 ° C; mildew resistance, mildew resistance test is first class. 2. Application of pvc three-proof tarpaulin: It can be used as freight tarpaulin for automobiles, trains and ships; it can be used as a cover for open warehouses in stations, docks, seaports and airports; it can be used to build temporary granaries and open-air covering of various crops; Materials for building temporary sheds and temporary warehouses on various construction sites such as construction sites, electric power construction sites, etc.; they can be processed into camping tents and outer sheaths of various machinery and equipment; in the process of use, due to improper use, it may sometimes cause damage, and it is not suitable for PVC three-proof When the tarpaulin is repaired and repaired by the sewing machine, double-thread stitching is used. There should be a distance of 15mm to 20mm between the outer stitches and the periphery of the patch cloth, and the distance between the two stitches should be 10mm. Use straight double-thread machine repair on both sides, and the distance between the two stitches close to the pressing rope is not less than 45mm. Should not be less than 50mm. The machine repair needle eye should be coated with waterproof glue on both sides. The suture is tight and straight, the needle size is 14-18 stitches/100mm, and the back stitches are not less than 3 stitches at the starting and ending points. After repairing, the middle of the rope cloth should be properly arched to facilitate the passage of the waist rope. Water seepage, smearing and water leakage are not allowed in the water hoisting test at the seam. There are various types of PVC three-proof tarpaulins, which are mainly used in the production of tents. Tarpaulins of various materials can exert their own characteristics, so its maintenance is also very important. Or small problems such as loose decoration parts should be repaired in time to extend the service life. For colorful tarpaulins, do not cover them with hard-to-clean paper such as carbon ink, and tear them off after drying to prevent discoloration. After cleaning the tarpaulin, put it in a ventilated and cool place to dry naturally. Do not expose it to the hot sun or bake it in high temperature to prevent degumming or degumming and accelerate aging. The tarpaulin should be cleaned regularly to prevent it from becoming moldy and smelly. Do not wash it in a washing machine. Some people think that the tarpaulin is resistant to folding, the price is low, and they are too lazy to wash by hand, but they do not know that it is the same as the decoration cloth, and it is easy to fade when washed in a washing machine. When cleaning, it should be gentle and even, and it should not be too hard, one side is broken, or the pattern and decoration parts of the oblique body should be brushed off. Prevent sharp and sharp objects from touching to prevent scratches.
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