... with air presser or water l Physical and chemical propertiesAppearance: white crystalline powderPH: 6.5-7.5 (1% aqueous solution) ... sandblasting system or hand blast can also be used. For powder application, with average environmental condition, use 100g/m2, the ... steel alloy, stainless steel, aluminum and its alloy.ClearnessTo move powder residues easily by air presser and water,To move liquid ...