He polypropylene copolymer matapōkere te PPR-MT75. Me te tohatoha matapōkere o te co-monomerethylene i roto i te wāhanga mekameka polypropylene, he māramatanga teitei a PPR-MT75, he ātete wera pai, ā,te ngāwari ki te tukatuka mō te tono werohanga. He tino pai te kapia mō te hanga kaiipu/kapu pakitara angiangi.