Our transparent waterproof glue (300g set) contains pure acrylic emulsion and silicone-acrylic emulsion. It can penetrate seams, cracks and leaks, and seal any cracked surface. Its usage method is very simple: Directly apply this product to the surfaces of ceramic tiles, floor tiles, wall tiles, cement, etc., and wait for the product to penetrate into the base layer. After 5 to 10 minutes, when there is no liquid on the surface, brush 2 to 3 times to enhance the effect. And it can be waterproof and have a protective coating. It is convenient and fast to use, dries quickly and is not affected by water. It can be used to repair leaks and other situations.