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Core Features

By blending or block copolymer PP substrates with elastomers (POE, EPDM, EVA), the low-temperature impact resistance of PP is significantly improved. The cost is a decrease in tensile strength and rigidity, requiring a balance between stiffness and toughness based on the application scenario.

Mainstream solution

Block copolymer PP (PP-B) itself has good impact resistance and can be further toughened by adding elastomers. Special additives such as mLLDPE g-GMA can simultaneously enhance toughness and heat resistance without the addition of conventional toughening agents.

Key data

-PP+EPDM+T20: The notch impact strength of the cantilever beam can reach 25 kJ/m ², and the bending modulus is about 1600 MPa
-The conventional block copolymer PP has a notch impact strength of about 9-17 kJ/m ²

Typical Applications

Car bumpers, door panels, fenders, luggage compartment lining; Low temperature environment turnover box, refrigerated transport box; Baby stroller, safety seat, sports protective gear.