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Waterproof canvas detailed introduction

2020-09-15   Jumtarps    Industry News

Waterproof canvas

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The breaking strength, tearing elongation and tearing strength of waterproof canvas are much better than traditional waterproof tarpaulins. It is an internationally popular environmentally friendly PVC waterproof canvas, also known as three-proof canvas, plastic-coated canvas, waterproof canvas, mildew-proof canvas, and cold resistance. Canvas, anti-aging canvas, anti-static canvas, etc.


Waterproof canvas overview

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Chemical name: Wet PVC artificial leather

Product name: Waterproof nylon cloth

Abbreviation: Waterproof nylon cloth or plastic coated cloth


Waterproof canvas classification

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Waterproof canvas is a canvas processed by a special process for waterproof or moisture-proof, moisture-proof and cold-proof, generally refers to the series of plastic-coated cloth. It is made of fiber fabric and chemical filling materials through production processes such as dipping, coating, scraping, drying and cooling. The standard material composition of the plastic-coated series waterproof canvas is a cloth fabric woven from high-strength tensile polyester, high-quality resin powder, plasticizer, stabilizer, appropriate calcium powder and other small amounts of chemical raw materials. It is 100% waterproof . Most areas in the north are called tarpaulins, and some areas in the south are also called tarpaulins, tarpaulins, and tarpaulins. There are PVC coated cloth, waterproof nylon cloth, etc.

The main component of PVC coated cloth is polyvinyl chloride (ie PVC). In the manufacturing process of PVC canvas, some auxiliary materials such as plasticizers and anti-aging agents are added to enhance its heat resistance, toughness, ductility, etc. The surface is coated The paste-like resin is mixed with a variety of chemical additives such as speed-increasing agent, anti-mildew agent, anti-aging agent, etc. It has non-flammability, high strength, weather resistance and excellent geometric stability, and also has waterproof and anti-mildew , Wear resistance, durability, cold resistance, aging resistance, and other natural functions.

Waterproof nylon cloth has excellent mildew resistance, flame retardancy, 100% waterproof, more waterproof than other canvases, good low flexibility, high strength, strong tensile force, and relatively light. The main processing method is high temperature heat sealing.


Production Process

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There are two production processes for waterproof canvas. One is horizontal machine production, which is the heavy-duty large cylinder. After putting the tarpaulin into the material, it is placed on the leather belt and pressed and flattened by the bottom of the heavy large cylinder. Then pull on the dryer to dry, then trim, divide and pack. One is vertical machine production. The cloth is straightened into the raw material box and pulled out. The viscous material on the thatch cloth is high-purity PVC material, and then both sides are straightened by the machine knife. After that, it is dried in a dryer, trimmed, circled, and packaged. There are two kinds of dryers, one is electric burning and the other is boiler. The PVC coated canvas produced by the horizontal machine is cheaper than the PVC coated canvas produced by the vertical machine. The reason is that the raw material requirements of the horizontal machine are lower than that of the vertical machine. Any kind of rubber material can be put on and pressed, but vertical machine production cannot. The raw material requirements are high, and the raw material 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.

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