Меламин 99,8% мин порошок белого цвета

MELAMINE Chemical name: MELAMINE Molecular formula: C3N3(NH2)3 Molecular weight: 126 Physical and chemical properties: Melamine is a white monoclinic crystal with high melting point. Its sp.gr.1.573, m.p.354. It will decompose when the temperature is higher than m.p. It is difficultly soluble in water, ethylene glycol, glycerin and pyridine, slightly soluble in ethyl alcohol, insoluble in ether, benzene and carbon tetrachloride. The aqueous solution appears weak alkaline characteristic. Method of manufacture: Melamine is manufactured by the reaction of urea under high pressure and high temperature. Use:Melamine is mainly used in laminates, wood adhesives, surface coatings, moulding compounds, flame retardants, textile and paper treating, fluorescent pigments, leather tanning agents, concreteadditives etc. Standard:Itemsspecificationsuper fine gradefirs gradeAppearanceWhite powder, impurity freepurity≥99.95≥99.8moisture0.1wt% (max)APHA color20 (max)Ash content0.03wt% (max)iron content1.0ppm (max)melting point354heat capacity0.29kcal/kgbulk density800kg/m3Package:Paper bag lined with PE film. Net weight is 25kgbag, 1000kgbag.