PE injection molding services

Polyethylene (PE) is a lightweight thermoplastic molding material that has high chemical resistance, elasticity, and electrical insulating properties. It’s not especially strong or hard, but it’s inexpensive. You’ll find it everywhere in consumer plastic parts, milk bottles, medicine and detergent bottles, plastic bags, and trash cans. PE is also the most common injection molding resin for making toys because it’s non-toxic and can take a beating without complaint.

Description

Types of PE materials

LDPE: low density polyethylene (also known as high pressure polyethylene)
LLDPE: linear low density polyethylene
MDPE: medium density polyethylene
HDPE: high density polyethylene (also known as low pressure polyethylene)
UHMWPE: Ultra High Molecular Weight Polyethylene
Modified polyethylene: chlorinated polyethylene (CPE), cross-linked polyethylene (PEX)
Ethylene copolymer: ethylene – propylene copolymer (plastic), EVA, ethylene – butene copolymer, ethylene – other olefins (such as octene POE, cyclic olefin) copolymer, ethylene – unsaturated ester copolymer (EAA, EMAA, EEA, EMA, EMMA, EMAH).

Polyethylene with a molecular weight of 3-6 million is called ultra-high molecular weight polyethylene (UHMWPE). The strength of UHMWPE is so high that it can be used for bulletproof vests.