CSWIP Plastics Welder Approval Practice Questions - CSWIP Plastics Welder Approval (TWI BS EN 13067) Exam

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Which polypropylene type is characterized by random copolymerization with ethylene, offering improved transparency and lower melting temperature suitable for hot water plumbing?

PP-H (Polypropylene Homopolymer) PP-B (Polypropylene Block Copolymer) PP-R (Polypropylene Random Copolymer) PP-G (Polypropylene Glass-reinforced)

Correct Answer:

PP-R (Polypropylene Random Copolymer)

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