PP-R, MT05-400L (RP340R) bụ polypropylene random copolymer nwere ezigbo mmiri mmiri, nke a na-ejikarị eme ihe n'ịkpụzi ihe. RP340R nwere njirimara nke nnukwu nghọta, nnukwu na-egbuke egbuke, oke okpomọkụ na-eguzogide, na ezigbo nkwụsi ike nha ntụtụ. Ngwaahịa a agafeela ule ahụike YY/T0242-2007 na nnwale arụmọrụ nri na ọgwụ GB 4806.6-2016.