... PolysiloxaneUsage Temperature :-60°C~320°CApplication : hydrocarbon ,aromatic ,pesticide ,phenols ,amine .aliphatic acid formic ester,GC/MS2.SE- ... ,7%methyl polysiloxaneUsage temperature :-20°C~270°CApplication : pesticide ,herbicide ,drug,, environment sample.4.OV-17 high inert crosslink ... polysiloxane . Usage temperature : -20°C~270°CApplication : pesticide ,herbicide ,drug , environment sample