Polypropylene Impact Copolymer (PP Impact Copolymer)
Polypropylene impact copolymers, also called heterophasic copolymers, are made in two reactors where the first reactor polymerizes the homopolymer backbone and the second reactor polymerizes the ethylene-propylene rubber which is dispersed in the homopolymer matrix. The ethylene-propylene rubber provides for high impact resistance, with higher loading levels producing PP with very high impact performance. PP impact copolymers are process by most of the standard processing methods. Typical applications include sheet, pipe, profiles, bottles, consumer products, appliances, furniture, housewares, toys and automotive components.
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