Tarpaulin buying tips

Tarpaulin (or 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. There are many kinds of tarpaulins, each of which is made of different materials and has different effects. Tarpaulins usually have sturdy grommets at the corners or edges for easy lashing, hanging or covering. Because of its waterproof characteristics, it is often used in construction sites, chemicals, grain rainproof, truck waterproofing, etc. Because of its shading characteristics, it is often used for drying raw materials in factories and sun protection in greenhouses. There are many national standards for tarpaulins, and the quality requirements involve chloride ion testing, quality testing, tensile testing, fire rating testing, combustion performance testing, index testing, material testing, aging testing, density testing, service life assessment, and more. Take the packaging industry standard 'BB/T0037-2012 Double-sided Coated Polyvinyl Chloride Flame Retardant Waterproof Fabric and Tarpaulin' as an example to take you to a deeper understanding. Many people don't know the difference between PE tarpaulin and PVC plastic coated tarpaulin. Literally speaking, PE and PVC are definitely different. The following essentially explains the differences between these two types of tarpaulins. PE: The chemical name is polyethylene, which is a semi-crystalline thermoplastic material that is used to make PE tarpaulins. So what are the characteristics of PE? We know that polyethylene is odorless, non-toxic, feels like wax, has excellent low temperature resistance, good water absorption, good electrical insulation performance, and can be used normally at -70 to -100 degrees Celsius , good chemical stability. The production of PE tarpaulin is generally made of HDPE (high density polyethylene), which has a high operating temperature, good hardness, mechanical strength and chemical resistance. Polyethylene is suitable for hollow blow molding, injection molding and extrusion of various products (hard), such as various containers, nets, packing tapes, and can be used as cable cladding, pipes, profiles, sheets, etc. The raw material of PE tarpaulin generally refers to color striped cloth, which is coated with PE film on both sides of PE woven cloth, and polypropylene woven cloth is also used. The production process is: wire drawing - circular woven cloth - double-sided lamination. This kind of tarpaulin has poor waterproof performance. Generally, the waterproof performance cannot be guaranteed after one use. The disadvantage is that it is easy to wear and tear. It is generally used for temporary storage of goods for rain and dust protection, and is not suitable for long-term use in open air. PVC tarpaulin is a plastic-coated high-strength polyester waterproof cloth, which is based on high-strength polyester canvas, coated with polyvinyl chloride (PVC) paste resin, and added with accelerators, anti-mold agents, anti-aging agents, anti-static agents, etc. A variety of chemical additives, plasticized by high temperature. It has the properties of waterproof, mildew resistance, cold resistance, aging resistance, anti-static and other properties; and the breaking strength, tear elongation and tearing strength of this product are much better than those of traditional tarpaulins; the appearance of the product is colorful and pleasing to the eye. The surface is specially treated to prevent slippage. It is an internationally popular waterproof canvas, and the width is extra large. 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 types of tarpaulins and their uses are also very wide. When purchasing tarpaulin products, consumers should pay attention to choosing products from regular manufacturers, and check the product implementation standards and corresponding test reports to prevent the purchase of unqualified products from causing property losses during use.
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