I-Petroleum Resin C9 kunye ne-Petroleum resin C5 umahluko Ii-petroleum resin zizinto ezibalulekileyo kumashishini ahlukeneyo, ngakumbi kwi-adhesives, i-coating, kunye ne-inki. Phakathi kwee-petroleum resin ezininzi, i-C9 kunye ne-C5 zezona zimbini zisetyenziswa kakhulu. Nangona usetyenziso lwazo lufana, ...
Funda ngokugqithisileyo