The main materials of the Pail Mould are introduced as follows: One. LDPE and its uses LDPE (Chinese name: Low Density Polyethylene): Polyethylene with a relative density of 0.910-0.925 is called Low Density Polyethylene. Low-density polyethylene is a waxy white resin, and its structural characteristics are non-linear. The molecular weight is generally 100,000 to 500,000. It has low...