Adhesive Guru Stonebond Ca Glue with Activator has been specially formulated for use with products like ceramic, marble and granite. The two part superglue for stone will form a lasting bond and is a must have for anyone who needs to repair broken marble, ceramic, granite, glass, stone, brick, tile, or porcelain. Because this super glue is made for specialty stone applications, you can trust that the bond between surfaces will be long lasting. Perfect for most indoor applications, this instabond adhesive can be used in vertical surfaces with its special viscosity. It is water resistant but not recommended for continuous contact with water.