The plastics if are hard, become soft and readily workable by addition – InterviewSolution

1.	The plastics if are hard, become soft and readily workable by addition of certain compound called
Answer» Catalyst Telomers Pasticisers VULCANISER SOLUTION :PVC is EXTREMELY stiff and hard but the addition of di-n-butyl phthalate plasticisers MAKES it soft and rubber like.

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