Say larak na siline so kaslakan a manutukoy ed saray produkto na polisisilohiloo a mansiasiansian likido no temperatura ed kuarto. Kaslakan et naapag itan ed duaran klase: larak na siliko tan binago so larak na sili.
Unong ed saray nanduruman kasmak ed kadena na polisisilo. It can be classified into various types of dimethyl silicone oil, such as dimethyl silicone oil, hydroxyl silicone oil, hydrogen-containing silicone oil, phenyl silicone oil, alkyl silicone oil, alkyl & phenyl silicone oil, amino silicone larak, politera{2}N pinasimbalo na larak na siko, larak na pluko, tan arum ni.