Polyisobutylene (PIB) waa mid aan midab lahayn, aan dhadhamin, dhumucdiisuna aanay sun ahayn ama qayb adag, iska caabbinta kulaylka, iska caabinta oksijiinta, caabbinta ozone, caabbinta cimilada, caabbinta ultraviolet, caabbinta acid iyo alkali iyo kiimikooyinka kale ee waxqabadka wanaagsan.Polyisobutylene waa mid aan midab lahayn, ur lahayn, ma...
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