... :GB/T9567-1997 Item IndexSuperior-gradeAppearanceWhite powder without any foreign impurityPurity,%,≥99.8Moisture,%,≤0.1Ash content,%,≤0.03Formaldehyde dissolve testAll dissolve in 10 ... value7.5-9.5 We supply 1,3,5-triazine-2,4,6-triaminemelamine powder for Melamine formaldehyde glue manufacturer, Melamine Ware etc 1,3,5-triazine ...