No. Specifications Industrial Grade 1 P4 content % 98.5 2 Yellow phosphorus % 0.005 3 Free Acid % 0.5 4 Moisture % 0.25 5 Fineness (60-mesh) % 70.0 6 Super fineness (100-mesh) % 90.0 7 Super fineness (120-mesh) % 90.0 8 Super fineness (150-mesh) % 80.0 9 Super fineness (200-mesh) % 95.0. 35kgs/drum or 1.6mt/ibc drum.