Acidic Grades

Analysis

Code Appearance Acetone Solubility PH Volatile loss at Particle size distribution 160°C for 2 Hrs. 370°C for 1 Hr. RFDC-1 Brown 5% max. 2-4 2% max. 30% max. Coarse RFDM-2 Brown 5% max. 2-4 2% max. 30% max. Medium RFDF-3 Brown 5% max. 2-4 2% max. 30% max. Fine

Particle Size Distribution

Grade ASTM on 20 Mesh ASTM on 40 Mesh ASTM on 60 Mesh ASTM on 100 Mesh ASTM Pass 100 Mesh Coarse Nil 15-25% 20-30% 20-30% 35% max. Medium Nil 2% max. 15-25% 20-35% 40-55% Fine Nil 1% approx. 4-9% 25-35% 25-70%