offers d360 degreaser. characteristic: aim to naked metal, old paint film and needed spray substrates, suitable for removing wax and silicon with degreaser substrates "naked metal basecoatold paint fillmsolided putty" mixing ratio ready for use usage "1. clean and sand the needed substrate 2. degrease the substrate with tack rag wetted gpi-287 degreaser.3. wipe and dry the surface with another clean tack rag." shelf life 3 years in original sealed packaging 1l4l.