... nonpolar Chemistry Name : 100% Dimethyl PolysiloxaneUsage Temperature :-60°C~320°CApplication : hydrocarbon ,aromatic ,pesticide ,phenols ,amine . ... 5% phenyl ,95% dimethyl Polysiloxane Usage Temperature :-60°C~320°CApplication : hydrocarbon ,aromatic ,pesticide ,phenols3.OV-1701 ... : 7%cyanomethyl ,7%methyl polysiloxaneUsage temperature :-20°C~270°CApplication : pesticide ,herbicide ,drug,, environment ...