Ash: 15% - 40% (dried basis at 55°C)Acid insoluble ash (%): Max of 1% on dried basis (insolube in 10% HCL)Acid insoluble matter (%): 8 - 15% on dried basis (Insoluble in 1% v/v H2SO4)Loss on drying: Max of 12% at 105°C at 4 hoursSulfate (%): 15-40%Total Chloride (as KCL%): 0-3%(1.5% w/w at 60°C:) 8-11Water Viscosity (1.5% w/w at 75°C, LVT Brookfield Viscometer/spindle No. 2/60rpm:) Min. of 20 cpsWater Gel Strength ( (1.5% w/w at 20°C, 16 hrs, 0.5 inch probe, CT3 Texture Analyzer Brookfield): Min. 60 gPotassium Gel Strength (1.0% + 0.2% KCL w/w 20°C, 16 hrs., 0.5 inch probe, CT3 Texture Analyzer Brookfield) Min. of 250 gParticle size (passing through 150mesh USA Std.Testing Sieve) 95%