CMC Paper Grade

CMC Paper Grade (Sodium Carboxymethylcellulose, CMC) Index Technique Requirements ZZH-1 ZZH-2 Viscosity(mpas) 20 max (2% aqueous solution) 50 max (4% aqueous solution) Degree of Substitute 0.85 min 0.90 min Purity (%) 65 min 90 min PH value 6.5-8.5 6.5-8.5 Loss on Drying (%) 10 max 10 max Applications: In paper industry, CMC paper gradeis used for paper coating. It is useful for the dispersing and flowing of the pigments, enhancing the finish and smoothness of the printing quality. It is used for surface sizing to strengthen the paper and reduce the printing dusts. It can increase moisture and improve retention rate in pulping.