Red phosphorus 1. Specification P4 content% 98.5 min Yellow phosphorus% 0.005 max Free acid% 0.5 max Moisture% 0.25max Fineness (60-mesh) % 70 min Super fineness (100-mesh) % 80 min Super fineness (150-mesh) % 80min 2.Specification P4 content% 99 min Yellow phosphorus% 0.005 max Free acid% 0.5 max Moisture% 0.25max Fineness (60-mesh) % 70 min Super fineness (100-mesh) % 80 min Super fineness (150-mesh) % 80min