... GradeFirst GradePurity,%,≥99.899.0Moisture,%,≤0.10.2PH value7.5-9.5Ash,%, ≤0.030.05Water dissolve test of formaldehydeTurbidity(kaolin) ≤2030Chroma ... .Applications: Widely used in wood, plastic, paint, paper, textile, leather, electrical, pharmaceutical and other industries. The main Uses are the following ... ,flame accelerant, efficient cement water reducer, steel diluted agent. melamine99.9%