The grouting agent is also called caulking agent and groove grouting agent. It is made of white cement as the main material, adding a small amount of inorganic pigment, polymer and trace antibacterial agent to form a dry powdery material. It has no waterproof property; it is divided into sand type. And sand-free, the former is mainly used on wide brick joints, the latter is mainly used on narrow brick joints. Caulking agent, JCTA-360: is a solid powder based on cement. Mainly used for caulking between bricks, tiles, marble, granite and other bricks. The product has anti-cracking, water resistance and good durability, and can effectively prevent the precipitation of free calcium in the cement mortar, so that the aesthetic effect of the decorative brick is more remarkable. Backyard Decorative Light,LED Garden Flower Lights, LED Outdoor Flower Lights,Outdoor Lawn Flower Lights Sichuan Kangruntengpu Photoelectric Technology Co., Ltd. , https://www.kangruntoplighting.com