KHC3042 is a methyl benzotriazole derivative, soluble in water and ethylene glycol system, used as a metal deactivated agent. It can replace solid Benzotriazole and solid methyl benzotriazole, effectively protect yellow metal and prevent cobalt spillover. Its combination with the conventional carboxylate rust inhibitor can provide corrosion protection for a variety of metals.

KHC3039 is currently an ash-free liquid metal passivator, antioxidant and anti-wear additive, widely used in various automotive and industrial lubricating oils and metal working fluids. It can provide excellent copper corrosion inhibition and anti-oxygen and anti-wear properties.