CS-90 is a superior quality copper paste that prevents seizing, corrosion and galling of threaded fasteners even in high-temperature conditions. Formulated with an exceptionally high copper content and professional grade inhibitors to prevent rust and corrosion, sealing out moisture and protecting threads from corrosive environments. CS-90 is a non-hardening and nondripping durable film, making it easy to assemble and dissemble threaded components after extended service intervals. Lead and silicone free.Protects against harsh corrosive environmentsReduces friction and wearEnables easy assembly and disassemblyPrevents seizing, galling and stripping of threaded fastenersNon-hardening and non-drippingWater resistantFree from lead and siliconeSize 500g