Carboxy Methyl Cellulose-CMC , a main physical and chemical properties used in Pharmaceutical industry and so on .  

CMC quality indicators   GRADE  MODEL  specification  Sodium(Na) Viscosity2% PH % % %(pb)≤ %(As)≤ moisture% size% % 25°Cmpa.s (cl-)≤  (Fe)≤  ≤  (60head) ≥  pharma grade CMC1 10.4-12 800-1200 6-8.5 1.8 0.03 0.002 0.0002 10 80 (D.S) CMC2 10.4-12 500-700 6-8.5 1.8 0.03 0.002 0.0002 10 80 1.15-1.45  CMC3 10.4-12 ≤300 6-8.5 1.8 0.03