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HDPE

Plastics
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Overview

HDPE(High Density Polyethylene) is the plastic used mainly to make milk bottles and many other types including liquid detergent and cleaning solution bottles. HDPE has the highest amount of usage for any plastic and is the second most recycled plastics.

HDPE is more rigid and harder than lower density materials. It also has a higher tensile strength, four times that of low density polyethylene, and is three times better in compressive strength.

HDPE which is produced under the low-pressure polymerization manufacturing process, was developed in 1954 by Hoechst (Germany) and Philips (U.S.A.). Since then, thanks to the technical support from these two companies to Europe and Japan, HDPE has become one of the most produced resins in the world.

Characteristics

Excellent processing and mechanical properties.
Excellent environment stress crack resistance and chemical resistance.
Excellent electric properties and durability.

Grade and Application

Grade	Application
Injection molding grade	Caps for beverage bottles, Pallets for all uses, Containers, Dust bin, Pails and bottle cap for mineral water, Transport and stacking crates, Bottle crates, Silicone Cartridge, Toys complicated parts, Light-weight household
Film grade	Merchandise bags, Consumer trash bags, Industrial and institutional liners, Consumer trash bags, Merchandise bags, Consumer trash bags,
Blow molding grade	Small bottle, Shampoo and cleaner bottles 20 liter containers, Oil bottle, General purpose containers
Pipe extrusion molding grade	Pressure pipes for water and gas, Sewage pipe, Cable protection pipe, Corrugated pipes for tele-communication cable, Sewage pipe, Cable protection pipe, Corrugated pipes for building wire
Crosslinked pipe grade	Crosslinking Pipe, Silane crosslinking pipe