is washing powder an acid or alkali powder for cleaning- washing powders on sale in joburg spartan at r350 00 per 100kg today price ,Our factory environment. Cooperation partner. chemical cleaning for powder coating- is washing powder an acid or alkali powder for cleaning ,Jun 14, 2012·Chemical cleaning can be accomplished by subjecting a part to an aqueous spray or dip cleaner. The cleaner may be alkaline, acidic, neutral, solvent, or emulsion.