Plastic bags are a general name, so long as they are made of artificial resins, they are all called plastic bags. PE bags, nylon bags are plastic bags, the material is different. PE bags are high density and low density. High density more resilient, high transparency, feel stiff, relatively expensive. The plastic bags given by the general supermarket are all high density PE bags. Low density PE bag is generally the most common vegetables to the market that feels soft bag, high quality, poor transparency, low price. Nylon bags are plastic bags with polyamides as materials, which vary with the specific amides. But in general, the appearance of the texture is good, thick and smooth and smooth. It is generally used for high grade clothing, jewelry and other goods, the price is relatively high.
