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Plastics. Polybutene-1 (PB-1) moulding and extrusion materials. Designation system and basis for specificatio…

Plastics — Polybutene-1 (PB-1) moulding and extrusion materials — Part 1: Designation system and basis for sp…

Overview ISO 21302-1:2019 specifies a standardized designation system and basis for specifications for polybutene-1 (PB-1) moulding and extrusion thermoplastic materials. It defines how PB (polybuten…