... concrete, marble, tile ,etc M-820 neutral weather resistant silicone sealantA . FEATURESMono-component, convenient to use at the temperature 5- ... 40°C Neutral curing, high modulus, no corrosion to the materials such as glass, coated glass, concrete, marble ... , metal, etc. Excellent adhesion to most building materials, no need to use prime. Excellent compatibility to other neutral silicone sealant. B ...