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Polyethylene is divided into high density polyethylene (HDPE), low density polyethylene (LDPE) and linear low density polyethylene (LLDPE) according to the polymerization method, molecular weight and chain structure.
Name | Polyethylene | CAS | 9002-88-4 | EINECS | 618-339-3 | Chemical Formula | (C2H4)n | Melting Point | 85 - 110 ℃ | Water Solubility | Insoluble in water | Density | 0.91 - 0.97 g/cm3 | Flash Point | 270 ℃ | Appearance | Low molecular weight is colorless liquid, high molecular weight is colorless milky white waxy particles or powder |
1.High pressure polyethylene: more than half of it is used for film products, followed by pipes, injection molding products, wire cladding, etc
2.Medium and low pressure polyethylene: mainly for injection molding products and hollow products.
3.Ultra-high pressure polyethylene: Due to the excellent comprehensive properties of ultra-high molecular polyethylene, it can be
used as engineering plastics
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