Alkaline Grades

Analysis

Code Colour Acetone Solubility PH Volatile loss at Particle size distribution 160°C for 2 Hrs. 370°C for 1 Hr. RFAC-1 Black/Brown 5% max. 6-8 2% max. 35% max. Coarse RFAM-2 Black/Brown 5% max. 6-8 2% max. 35% max. Medium RFAF-3 Black/Brown 5% max. 6-8 2% max. 35% 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%