PP-R, MT05-400L (RP340R) bụ polypropylene random copolymer nwere ezigbo mmiri mmiri, nke a na-ejikarị na ịkpụzi injection. RP340R nwere njirimara nke nghọta dị elu, gloss dị elu, nguzogide okpomọkụ dị elu, yana nkwụsi ike dị mma nke injection. Ngwaahịa agafeela ule ahụike YY/T0242-2007 yana ule arụmọrụ nri na ọgwụ GB 4806.6-2016.