ʻO PP-R, MT02-500 (MT50) kahi copolymer polypropylene random kiʻekiʻe-fluidity i hoʻohana nui ʻia i ka hoʻoheheʻe ʻana i ka injection. Loaʻa iā MT50 nā ʻano o ka transparency kiʻekiʻe, ka ʻōlinolino kiʻekiʻe, ke kūpaʻa wela kiʻekiʻe, a me ke kūpaʻa maikaʻi o ka ana hoʻoheheʻe injection. Ua hala ka huahana i ka hoʻāʻo ʻana i ka hana meaʻai a me ka lāʻau lapaʻau ma GB 4806.6.