... is a White, crystalline 2.high quality 3,best service 4.adopting advanced technology CAS No.:108-78-1HS Code:29336100UN ... -soluble solid.Specification: Item Top GradeFirst GradePurity,%,≥99.899.0Moisture,%,≤0.10.2PH value7.5-9.5Ash,%, ≤0.030.05Water dissolve test ... ,flame accelerant, efficient cement water reducer, steel diluted agent. melamine99.9%