XCP RUST BLOCKER - HIGH PERFORMANCE RUST PROTECTION 400ML**SILICON FREE, PERFECT FOR PAINT SHOPS** XCP Rust Blocker is a soft, anti corrosive compound. It creates a soft, long lasting protective barrier to protect any steel, metal or alloy surface against the effects of rust and corrosion. Spray it, wipe it, brush it or dip it. A soft tack, that resists cracking. Depending on the level of protection required, coating thickness can be further reduced by buffing down if necessary. The bonding of the film with