Melamine is a semi-finished product in organic chemical industry with even structure and vast applications. It is mainly used as the material to produce melamine formaldehyde (MF) colophony. Owning the abilities of fire-resistant, water-resistant, hot-resistant, age-preventing, electric arc resistant, bearing chemical corruption, perfect insulation capability, gloss grade, and machinery intention, and good thermal-setting capacity. It is widely used in the fields related with wood, plastic, paint,paper, textile, leather, electrical, pharmaceutical ,etc.