... on 2,Aim to naked metal, old paint film and needed spray substrates GPI-287 Senior Degreaser Characteristic: Aim to ... naked metal, old paint film and needed spray substrates,suitable for removing wax and silicon and so onSubstratesNaked metal, basecoat,old ... ,solided putty,Filler,sanded substratesMixing RatioReady for useUsage1. Clean and sand the needed substrate 2. Degrease the substrate with ...