You’ll know if a tarp is good or not
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I believe there are many companies doing shipping, doing Friends in the cargo yard all know about PVC plastic-coated cloth and PVC waterproof tarpaulin, because this is a cargo covering equipment that everyone in the industry must know. Because canvas can protect against wind and rain, is durable and environmentally friendly, it is widely used by logistics companies, storage terminals, factories, farms and most enterprises to cover goods. In recent years, PVC coated cloth has been widely used in automobile awnings, ship covers, open-air cargo yard covers, train covers, construction site cloths, crop covers, machine covers, outdoor camping tents, etc. It has a wide range of uses.
PVC plastic-coated cloth is a high-quality product among tarpaulins, with excellent mildew resistance and obvious waterproofness. Compared with other canvases, it is more waterproof, has good low-temperature softness, high strength, strong tensile strength, anti-corrosion, anti-aging, and relatively light weight; additional methods: heat sealing machine, sewing machine. To judge whether a piece of PVC plastic-coated cloth is good or bad, we should pay attention to several points:
1. Appearance. Excellent PVC plastic-coated cloth has good color and brightness; one side is flat and smooth, and there are some granular objects on the other side, indicating that the resin ingredients are properly added and the temperature is suitable; there are no pinholes, high resin density, good anti-aging, and long service life. .
2. Tension. Depending on the process, the canvas is carefully proportioned and properly matched, so that it will have less damage to the fabric and a better tensile strength; the yarn has a high warp and weft density and a good tensile strength.
3. Waterproof performance. The waterproof performance is good, the glue is good, and there are no pinholes in the canvas, indicating that the production materials are very good. In the addition of materials, there are many resin components, high density and good waterproof performance.
4. Feel. It feels very soft. Although it feels average in thickness, in fact it has reached the required thickness. This is just because of the high resin content and good processing skills, so it feels very soft to the touch and does not feel rough.
5. Production process. PVC plastic-coated cloth is produced by a vertical machine. The vertical machine is mechanically produced. The cloth is straightened and put into the raw material box and pulled out. The glue material glued on the tarpaulin is high-purity PVC material, and then both sides are straightened and passed through the machine. Scrape with a knife, then dry in a dryer, trim, circle, and package. There are two types of dryers, one is electric and the other is boiler. Vertical machines have high requirements for raw materials, and the raw materials must have a certain degree of purity. PVC canvas produced by vertical machines is often slightly more expensive, and the purity of the canvas products is also high.
6. Environmental protection performance. PVC plastic-coated cloth uses polyester filament as the base cloth, with a PVC double-sided coating on the outside. It uses high-quality environmentally friendly resins, has a smooth surface and bright colors. It is waterproof, fireproof, anti-corrosion, mildew-proof, cold-resistant, high-temperature resistant, and UV-resistant. , anti-aging and other properties.
Master these aspects , basically you haveWith a certain eye for selection, one can judge quality at a glance.
(Part of the above content comes from the Internet)
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Extendedreading:https://www.china-fire-retardant.com/post/9653.html
