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Features and scope of application
Also known as high-density polyethylene, it is widely used, non-toxic and tasteless, and the temperature can be greater than 80~100℃; it has good cold resistance and still has flexibility at -70℃; it has high chemical stability, good abrasion resistance, rigidity, The hardness is high, the dielectric performance is outstanding, and the water absorption is very small. The disadvantage is that the connection and unloading strength is not high, the texture is soft, and it cannot withstand high loads. It is often used as high-frequency, underwater and general cable sheathing, corrosion-resistant parts, wear-resistant and corrosion-resistant coatings, and PE injection molding plastic machine parts.
Mechanical properties
Tensile strength (MPA): 6.9~23.5
Elongation (%): 60~650
Impact toughness value (J/cm2): with gap: ≈27; without gap: continuous
Tensile modulus of elasticity (MPA): 1.18~9.32
Thermal performance
Heat distortion temperature: 1.86MPA: 30~55℃; 0.46MPA: 60~82℃
Vicat heat-resistant temperature: 121-127℃
Continuous use temperature: 121℃
Flammability: slow
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