The pvc tarpaulin product can be waterproof on both sides, and the four sides of the tarpaulin can be heat-sealed by single-fold heat sealing. The rope part is mainly fixed along the edge, and its application range is also very wide. Then, the density of this tarpaulin How should it be detected? The size of the density will directly affect the physical and mechanical indicators such as the appearance, feel, thickness, strength, folding resistance, air permeability, abrasion resistance and thermal insulation performance of the plastic tarpaulin. Therefore, it must be paid attention to when purchasing.
The indirect test method is to analyze the fabric structure and the number of weave loops, multiply the number of weave loops in 10 cm, and the product obtained is the warp (weft) yarn density. Small regular weave fabric. The direct counting method is completed by means of a cloth mirror or a fabric density analysis mirror. It should be noted that when counting the number of yarns, the center between the two yarns should be taken as the starting point.
When purchasing pvc tarpaulin products, the quality is what we should pay attention to. The important feature of pvc tarpaulin is waterproofing, so we can try to drizzle a small amount of water on the surface of the product. If the water does not penetrate into the pvc tarpaulin, then this The quality of this product is relatively good. The density of pvc tarpaulin must be one of the important factors. The method of product identification is very simple, that is, to check the latitude and longitude of the product. The denser the product, the better the quality of the product.
Secondly, we also need to pay attention to the roughness of the product surface. In the selection process, we can feel the roughness and softness of the product with our hands to distinguish the quality. If we want to buy good pvc tarpaulin, we must not be cheap, although there is no decisive relationship between the quality and price of such products, but in the product price, quality often occupies a certain proportion. Generally speaking, the same area, the price is relatively high, then the quality of the product is better.