VCI Anti-rust Powder: Anti-rust function for machines,metals,component etc; Efficiency, Environment-friendly & Economy. Rustoper® VCI ... .5 The powder contains no silicones, phosphate and heavy metals, being safe to environment. It passes SGS certification and ... complies with RoHS directives.Applicable Metals:The VCI powder is applicable to ferrous metal, alloy steel, cast iron, copper, brass, bronze ...