Tapioca Starch In Improving Surface Of Paper Industry TYPICAL PROPERTIES - Appearance : White powder - Viscosity (mPa.s) :30-50 Brookfield Viscometer 15.0% dry substances at 50 C, 60rpm - pH : 5.0 - 7.0 (15% dry substance (cooked paste)) - Moisture (%) : 13.0 Max - Sieve analysis (%) : 1.50 Max (Mechanical sieving on 250 micron) - Shelf life : 24 months