石(shi)材防護劑(ji)(ji)的主要(yao)成分(fen)(fen)有(you)兩部(bu)分(fen)(fen)，防護活性物(wu)部(bu)分(fen)(fen)主要(yao)是(shi)(shi)有(you)機(ji)硅聚合物(wu)或者有(you)機(ji)氟聚合物(wu)；溶(rong)劑(ji)(ji)部(bu)分(fen)(fen)主要(yao)是(shi)(shi)石(shi)油溶(rong)劑(ji)(ji)或者水(shui)。這些防護劑(ji)(ji)涂(tu)刷在石(shi)材上，一(yi)部(bu)分(fen)(fen)滲入(ru)石(shi)材內部(bu)，另一(yi)部(bu)分(fen)(fen)會(hui)(hui)在石(shi)材表(biao)面有(you)小量殘留。在防護劑(ji)(ji)變(bian)干后，溶(rong)劑(ji)(ji)揮發掉，而且經(jing)過擦(ca)拭(shi)，不(bu)會(hui)(hui)再(zai)對人(ren)體產(chan)(chan)(chan)生危害。有(you)些產(chan)(chan)(chan)品在說明(ming)上會(hui)(hui)標明(ming)此產(chan)(chan)(chan)品是(shi)(shi)否可用(yong)在廚房。有(you)些防護劑(ji)(ji)在使用(yong)時會(hui)(hui)感到有(you)點異味(wei)，要(yao)注意通風，防護劑(ji)(ji)變(bian)干后氣味(wei)也會(hui)(hui)消失(shi)，對于一(yi)些氣味(wei)很刺鼻的產(chan)(chan)(chan)品一(yi)定(ding)要(yao)慎用(yong)。