An anticorrosive compound mixed weather-proof Butyl Rubber bonding material and a high purity zinc powder retained electrical conductivity. Suitable for steel surface protection of pipes, fittings, stairs, etc. It doesn’t need to add any primer or solvent, and you can paint as soon as you finished surface preparation. It doesn’t contain harmful toluene. Suitable temperature below 60 degree centigrade. The expecting durability is designed for 20 years after spreading.