... ,000kg pp bag melamine industry grademelamine industry grade whitemelamine industry grade packing :In 25kg, 500kg, and 1 ... , bearing chemical corruption, perfect insulation capability, gloss grade, and machinery intention, and good thermal-setting capacity ... dope, paper-making, textile industry, leather, electric, and medicine, etc. GradePremium gradesContent(%) , min99.9Moisture(%), max0.02Ash content ...