How to buy tarpaulin?

Tarpaulin (or waterproof cloth) is a high-strength, good toughness and softness waterproof material. It is often used as canvas (oil canvas), polyester coated with polyurethane or made into polyethylene plastic.
Tarpaulin has a wide range of uses and is closely related to people's work and life. How can we buy tarpaulin products with consistent functions and reliable quality? Today, the editor of Cheng Cheng will take everyone to understand the national standards and quality requirements of the tarpaulin.
There are many kinds of tarpaulins, and the materials of each tarpaulin are different, and the effect of use is also different. Tarpaulins usually have strong grommets at the corners or edges to facilitate binding, hanging or covering with ropes.
 
Is often used in construction sites, chemical industry, grain rainproof, truck waterproofing, etc. because of its waterproof characteristics. Because of its sun-shading feature, it is often used to expose raw materials in factories and sunscreen in greenhouses.
There are many national standards for tarpaulin, 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 evaluation and so on. Take the packaging industry standard "BB/T0037-2012 double-sided coated PVC flame retardant waterproof cloth and tarpaulin" as an example.