Specification: Appearance: White crystal powder Purity: 99.0% min Ammonium: 0.0025% max Arsenic(AS): 0.0002% max Heavy metals(PB): 0.001% max Loss on drying: 15.0% max Melting point: 226-230DEG. C. Particle size: 8-12mesh/10-20mesh / 20-40mesh / 40-80mesh Packed in 25kg karaft bag or cardboard drum
