Ọkwa mmepe nke C9 petroleum resin mmepụta n'ụlọ na ná mba ọzọ: mmepe nke petrochemical ụlọ ọrụ na-enye ọgaranya na ọnụ ala akụrụngwa maka mmepụta nke mmanụ ala resin, Petroleum resin otú mmepụta nke mmanụ ala resin na ụfọdụ petrochemical mba mepere emepe na-eto ngwa ngwa. Ọnọdụ mmepụta nke ụlọ c9 petroleum resin: C9 na China Mmepe nke resin petroleum malitere n'oge, Petroleum Resin mana ọganihu dị ngwa ngwa, mmanụ mmanụ nke meghere ọnọdụ ọhụrụ maka mmepe nke resin mmanụ ụlọ.
Ugbu a, e nwere ihe dị ka 50 petroleum resin mmepụta ụlọ ọrụ na China, Petroleum resin na a ngụkọta mmepụta ikike nke ihe karịrị 2 nde tọn kwa afọ. Ọ nwere ike imepụta resin C5, resin C9, resin copolymer C5/C9, mmanụ mmanụ na resin hydrogenated. Ngwá ọrụ mmepụta bụ nke kachasị C9 resin petroleum. 70% nke mmepụta ike. C5 resin petroleum bụ 30%. Ọnụ ọgụgụ mmepụta nke ọtụtụ n'ime ngwaọrụ dị obere, ụdị dị iche iche bụ otu, Petroleum Resin na àgwà ngwaahịa adịghị elu, karịsịa ndị na-egosi àgwà dị ka agba ngwaahịa na ebe dị nro bụ ihe na-ejighị n'aka, mmanụ mmanụ na-egbochi ngwa ngwa. .
