... % max Arsenic (AS): 0.0002% max Heavy metals (PB): 0.001% max Loss on drying: 15.0% max Melting point: 226 ... -230 DEG. C. Particle size: 5-8 meshes, 8-12 meshes, 10-20meshes,20-40 meshes, 40-80 meshes, 40 ... industry. high quality sodium Saccharin 4-6,5-8,8-12,10-20,20-40,40-80 mesh