... sieves).1.SE-30 OV-101 high inert crosslink nonpolar Chemistry Name : 100% Dimethyl PolysiloxaneUsage Temperature :-60°C~320°CApplication ... /MS2.SE-52, SE-54 high inert crosslink weak polar Chemistry Name: 5% phenyl ,95% dimethyl Polysiloxane Usage Temperature ... ,, environment sample.4.OV-17 high inert crosslink , medium polar Chemistry Name : 50% phenyl ,50% methyl polysiloxane . Usage temperature : ...