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Polypropylene (PP) is a lightweight, chemically resistant thermoplastic with excellent fatigue resistance and living-hinge capability.
Overview
PP is one of the most widely produced plastics in the world. It floats in water, resists most chemicals, and can flex repeatedly without breaking. These properties make it ideal for living hinges in packaging, chemical-resistant labware, and automotive interior parts. Hong Ying Tooling optimizes PP mold cooling to control warpage and deliver dimensionally stable parts.
Tensile Strength
35 MPa
Elongation at Break
150%
Heat Deflection Temp
100 C
Density
0.90 g/cm3
Melting Temp
165 C
Chemical Resistance
Excellent
Use Cases
Material Details
Next Step
Upload your CAD file and receive a detailed manufacturing quote with material recommendation, tolerances, and lead time within 24 hours.