Loctite Clear Silicone is a multipurpose adhesive and sealant which creates a waterproof, protective seal that is ideal for metal, glass, rubber, tile and porcelain. … Loctite Clear Silicone can be used to bond or repair saltwater or freshwater aquariums.

Can silicone be waterproof?

Since silicone is waterproof, silicone sealants are well suited for repairs around bathtubs, faucets, toilets, and sinks. The powerful hold created by silicone caulks and sealants also makes them useful for construction jobs, especially outdoors.

Are all silicone sealants waterproof?

Pure silicone sealants are not paintable. They stay flexible at wide temperature ranges, are completely waterproof, bond well to most surfaces, and won’t support mildew growth with some like Dowsil 785+ having specific bacteria resistance characteristics.