Polyisobutylene (PIB) bụ enweghị agba, enweghị ụtọ, ihe na-adịghị egbu egbu ma ọ bụ ihe siri ike, nguzogide okpomọkụ, ikuku oxygen, nguzogide ozone, nguzogide ihu igwe, nguzogide ultraviolet, acid na alkali na-arụ ọrụ dị mma.Polyisobutylene bụ enweghị agba, enweghị isi, enweghị ...
GỤKWUO