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Polymers consist of homopolymer, copolymers, and elastomer compounded with or without the addition of impact modifiers, for example, ethylene-propylene rubber, polyisobutylene rubber, and butyl rubber, colorants, stabilizers, lubricants, or reinforcements. The proportions of recycled, reconstituted, and reground material used, as well as the nature and the amount of any contaminant, cannot be practically covered in this classification system.
It is the responsibility of the supplier and the buyer of recycled, reconstituted, and reground materials to ensure compliance.
See Guide D No other units of measurement are included in this standard. If other requirements are necessary to identify particular characteristics important to specific applications, these shall be designated by using the suffixes given in Section 1. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
Historical Version s - view previous versions of standard. Work Item s - proposed revisions of this standard. More D This specification covers polypropylene materials, suitable for injection molding and extrusion, that include unreinforced polypropylene with natural color only, unfilled and unreinforced polypropylene, calcium carbonate filled polypropylene, glass reinforced polypropylene, polypropylene copolymers, and talc filled polypropylene. Polymers consist of homopolymer, copolymers, and elastomer compounded with or without the addition of impact modifiers ethylene-propylene rubber, polyisobutylene rubber, and butyl rubber , colorants, stabilizers, lubricants, or reinforcements.
Standard Specification for Polypropylene Injection and Extrusion Materials