... is mainly used for Leather waterproof,paper products waterproof. 2.Highly diluted. the paper waterproof agent is mainly used for ... 1:15, Max :1:90 Use points:1.Dilution solvent choose petroleum ether (Boiling point >100) is better, ... (second skin, suede leather, artificial leather, scope, etc.), paper products waterproof, stone waterproof, cloth waterproof, outdoor waterproof, electronic board ...