Sodium Carboxymethyl Cellulose-CMC
1.Introduction
Name： Sodium Carboxymethyl cellulose
2.Characters
It is white or cream white powder or granule of moisture absorption, and easily disperse in water and forms gel solution , insoluble in most solutions
3. Usage
It is widely used in food, dope, porcelain etc It functions as thickener and viscosity controller etc.
4. Quality
Operative norm: FCCIV USP29~NF24
FCCIV
|
Test items |
Specification |
|
Assay(Dry)% |
99.5%~100.5% |
|
Degree substitution |
0.2~1.5 |
|
Lead |
≤3.0mg/kg |
|
Viscosity（≥2%solution）centipoise |
≥25 |
|
PH（1/100） |
6.8~8.5 |
|
Loss on drying% |
≤10.0 |
|
Assay (Na)% |
≤12.4 |
|
Test items |
Specification |
|
Assay (Na)% |
6.5~9.5 |
|
Viscosity（≥2%solution |
200~1500 |
|
PH(1/100) |
6.5~8.5 |
|
Loss on drying% |
≤10.0 |
|
Heavy metals% |
≤20ug/g |
|
Organic volatile impurities |
Conform |
|
Residue solvents |
Conform |
The PE film lined the polywoven bag. Net wt: 25kg/bag, or follow customer’s packing instructions
6.Storage and carrying notes
It should be stored in a dry, cool and ventilated place, avoid mix storage and mix carrying, gently ship and load to prevent damage in packing.