Briefly describe the use and testing requirements of PVC three-proof tarpaulin

PVC three-proof tarpaulin is widely used in daily life, but the requirements for transportation are very high. How to transport the shed cloth correctly? The three-proof cloth shed cloth manufacturer of the freight station guarantees that the shed cloth is free from scratches, scratches, etc. when it is in the hands of the user. The plastic-coated high-strength polyester waterproof cloth of PVC three-proof tarpaulin is based on high-strength polyester canvas, coated with polyvinyl chloride (PVC) paste resin and added with accelerator, anti-mildew agent, anti-aging agent, and anti-aging agent. and other chemical additives, which are plasticized at high temperature. It has waterproof, anti-mildew prevention, special treatment on the surface to play a non-slip effect. It is a popular waterproof cloth in the world, and the width is extra large, reaching 2 meters wide. When processing finished products, it can reduce seams and improve quality. It can be heat-sealed and spliced ​​to avoid Worry about water leakage from sewing pinholes. And can produce products with different functions, different colors and different thicknesses according to user needs. .“Three defenses”There are different explanations in different fields, among which Baidu Encyclopedia“Three defenses”explanation means“anti-nuclear, anti-biological, anti-nuclear“Chemical weapon”. in the electronics industry“Three defenses”Refers to“Anti-mold, anti-moisture, anti-salt spray”; In the field of agriculture, three defenses refer to“Drought, waterlogging, windproof”;In industry, three defenses refer to“Anti-freeze, anti-skid, anti-poisoning”; in the construction industry“Waterproof, fireproof, shockproof”. Due to the good aging resistance and tear-proof properties of PVC three-proof tarpaulin, tarpaulin is widely used in transportation, logistics, construction sites, agricultural granaries and other fields. The use of tarpaulin is very wide, which brings great convenience to people's production and life. Tarpaulins are divided into three grades according to their use requirements: ordinary tarpaulin, three-proof tarpaulin, and five-proof tarpaulin. The three-proof tarpaulin is as described above“Three defenses”There is a difference. The three-proof tarpaulin mainly refers to anti-aging, waterproof and mildew prevention; the five-proof tarpaulin is also fireproof and anti-corrosion in addition to the three-proof. Water pressure resistance required≥2000MM water column, the cold resistance temperature is -20 ℃, the anti-mold test is the first class, and the flame retardant grade is above V-2. 1. Uses of PVC three-proof tarpaulin: 1. Outer sheath of various machinery and equipment; 2. Construction of temporary sheds on construction sites, electric power construction sites and other construction sites; 3. Construction of temporary granaries and open-air covering of various crops; 4. Freight tarpaulin for cars and trains; 5. It is used to cover the stacks of open warehouses; 2. How to test the PVC three-proof tarpaulin before leaving the factory? 1. Discourage cutting and destroying tarpaulins and ropes. If the tarpaulins are found to be discarded or destroyed due to the recipient's job responsibilities, there is a lack of waist and side ropes. 2. Packaging method: The packaging method should be correct accordingly, and the awning cloth should be stretched and regulated as much as possible. This retractable tent is exquisite. 3. Clear signs: It should be marked on the packaging bag that dragging is prohibited. When loading and unloading products, it should be clear with the freight logistics. Cranes or other lifting equipment can be used to lift and lower the shed. 4. Before the tarpaulin is applied at the dispatch station, the quality should be checked one by one. 5. Arrival line: When choosing freight logistics, you should know more about whether it is arrival or not, so as to prevent damage to the shed cloth caused by halfway transfer. Due to the high quality requirements for PVC three-proof tarpaulin, it is mainly made of PVC material, and users can also choose the grade of tarpaulin according to their needs. There are many kinds of materials used in tarpaulin, and what people call tarpaulin is a broad concept, and it is not correspondingly made of cloth. Generally made of textiles, that is, cloth in the true sense. If the shielding area is not wide, it can be made of PVC material or nylon material. The occlusion surface is wider, but what is occluded is not too important. Like the tarpaulin used to cover grass in the countryside, oilcloth is generally enough. Using vertical machine production, vertical machine mechanical equipment production, straighten the fabric into the raw material box and drag it out, the adhesive material on the sheet is pVc material with high purity, and then both sides are straightened and used by the machine Scrape with a knife, use a knife to scrape and then air-dry it in an air dryer, invert, divide, and package. There are two types of air dryers, one is to burn with electricity, and the other is to use a heating furnace. The vertical machine has high requirements on raw materials, and it is necessary to have corresponding clarity for raw materials. The pVc white canvas produced by the vertical machine is often slightly more expensive, and the clarity of the white canvas product is also high.

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