... :99.8% 2.Water Content< 0.1% 3.Ash Content< 0.03 % 4.PH Value:7.9-9.5 Melamine is an ... . Melamine (GB/T9567-1997)Purity>=99.8%Water Content<=0.1%Ash Content<=0.03%Formaldehyde Soulbility In Water Passes TestTotal Soluble In Ten ... ,aminoplastics, adhesive agents, coatings and used as a paper reinforcing agent, textileauxiliaries, cement water-reducing agent and leather retaining agent. Melamines powder