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High density polyethylene (HDPE) heavy wall pipe is a new kind of green environmental protection building materials with the international advanced level products, is the national ministry of construction to the focus of the plastic steel, plastic generation cement product promotion, to save energy, reduce pollution, protect the environment is of great significance. Large diameter HDPE double wall pipe low-voltage high-density polyethylene (HDPE) was used as raw material, due to the use of special production process and greatly increase the pipeline structure design method to the strength and stiffness. Even for larger diameter of the pipe material, also can be a very good coating and pressure and the traffic load. This kind of pipe has reliable connection, corrosion resistance, toughness, good elasticity and long service life, convenient construction and a series of advantages.

HDPE (High Density Polyethylene) is a highly crystalline, non-polar thermoplastic resin with a variety of excellent properties. The following is a detailed introduction:
Chemical resistance.
HDPE has good resistance to most chemicals and can resist corrosion and dissolution by strong oxidants, acid and alkali salts, and organic solvents.
Environmental stress cracking resistance.
HDPE has good heat resistance and cold resistance, and has outstanding performance in chemical stability, rigidity, toughness, mechanical strength, etc.
electrical properties.
HDPE has good electrical properties, especially the high dielectric strength of the insulation, making it very suitable for wires and cables.
Impact resistance.
HDPE has excellent impact resistance, even at normal temperatures and even at temperatures as low as -40F.
Aging resistance.
The aging resistance and environmental stress cracking resistance of HDPE are not as good as LDPE, especially thermal oxidation will reduce its performance.
Water absorbent.
HDPE has low water absorption and excellent insulation and radiation resistance.
Processing performance.
HDPE has good processability and heat sealability, and can be processed into products of various shapes and uses.
Environmentally friendly.
HDPE is an environmentally friendly material that can be used for packaging of food, clothing, knitwear, etc.
In addition, HDPE is a white powder or granular product, non-toxic and odorless, with a crystallinity of 80% to 90%, a softening point of 125 to 135°C, and a service temperature of up to 100°C.