CMC, Carboxy methyl cellulose (SGS report)

CMC (Carboxymethyl Cellulose) is a cellulose derivative with carboxy methyl groups(-CH2COOH) bound to some of the hydroxyl groups of the glucopyranose monomers that make up the cellulose backbone. It is often used as its sodium salt, sodium carboxy methyl cellulose. Parameter Grade InspectionItem Food Detergent Textile Oil Viscosity(1%soln25mPa.s/2%soln25mPa.s) 75-6000 5-300 300-1200 1000-3000 DegreeofSubstitution(%)≥ 0.65-0.85 0.5-0.8 0.85 0.65-0.85 Purity(%)≥ 95-99 65 90 95-99 PHvalue 6.0-8.5 7.0-11.0 6.0-7.5 6.0-8.5 Chloride(%)≤ 1.8 1.8 7.0(NaCl) 1.8 Moisture(%)≤ 7 10 7 7 HeavymetalasPb(%)≤ 0.002 0.002 0.002 0.002 Fe(%)≤ 0.03 0.03 0.03 0.03 As(%)≤ 0.0002 0.0002 0.0002 0.0002 Amountofthickliquidmadem3/T≤ Freshwater≥ - - - 350-500 Seawater≤ - - - 150-220 Saturationsaltsolution≤ - - - 200-300