Carboxylic Methyl Cellulose (CMC)

Specifications:  

Index CMC 5000 CMC 2000
Appearance White to creamy, free flow odorless powder White to creamy, free flow odorless powder
PH (1% in water solution) 6.5- 8.0 6.5- 8.0
Viscosity ( Brookfield LVT, 1%, at 25℃) 5500-6500 cps 1800-2200 cps
Degree of Substitution 0.70-0.90 0.70-0.90
NaCMC content (purity) 98% Min. 98% Min.
Loss on drying (moisture) 8.0% Max. 8.0% Max.
Sodium chloride 1.5% Max. 1.5% Max.
Particle size 98.0% Min. pass through 80 mesh 98.0% Min. pass through 80 mesh

 

Heavy metals:                                     

Heavy metal ≤10ppm ≤10ppm
Lead ≤3ppm ≤3ppm
Arsenic ≤2ppm ≤2ppm
Mercury ≤1ppm ≤1ppm
Cadmium ≤1ppm ≤1ppm

 

Microbacteria:

Total plate count ≤1000 cfu/g ≤1000 cfu/g
Yeast and mould ≤100 cfu/g ≤100 cfu/g
Coliform absent/g absent/g
Salmonella absent/g absent/g

 

Applications:

  1. Solution Thickener
  2. Stabilizer