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Carboxymethyl cellulose (CMC) or cellulose gum is a cellulose derivative with carboxymethyl groups (-CH2-COOH) 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 carboxymethyl cellulose.
Carboxymethyl cellulose (CMC): 50% (liquid), 99% (powder)
| Items | Standards | ||
|---|---|---|---|
| Appearance | White to cream colored powder | ||
| Particle Size | Min 95% pass 80 mesh | ||
| Purity (dry basis) | 99.5% Min | ||
| Viscosity (1% solution, dry basis, 25°C) | 200- 10,000 mPa.s | ||
| Degree of substitution | 0.6- 0.9 | ||
| pH (1% solution) | 6.0- 8.5 | ||
| Loss on drying | 10% Max | ||
| Lead | 3 mg/kg Max | ||
| Ar | 2 mg/kg Max | ||
| Mg | 1 mg/kg Max | ||
| Ca | 1 mg/kg Max | ||
| Total heavy metals (as Pb) | 10 mg/kg Max | ||
| Yeasts and moulds | 100 cfu/g Max | ||
| Total plate count | 1000 cfu/g | ||
| E.coli | Negative in 5 g | ||
| Salmonella spp. | Negative in 10g |
In Food field, Sodium Carboxymethyl Cellulose CMC is used in food science as a viscosity modifier or thickener, and to stabilize emulsions in various products including ice cream. As a food additive, Sodium Carboxymethyl Cellulose CMC has E number E466.
| Weight | Packing Method |
|---|---|
| 1kg | bag/kg, box outside (double plastic bag + Aluminum foil bag inside) |
| 10kgs, 25kg or more | by Drums or carton (2 layers plastic bag inside) |
| Weight | Delivery Method | Delivery Time | Destination |
|---|---|---|---|
| 1kg - 25kgs | EMS, DHL, UPS, Fedex | 3-7 days | Door to door |
| 25kgs - 100kgs | DHL, FedEx, by Air | 3-7 days | Door to door (to Airport by Air) |
| More than 100kgs | by Air | 3-7 days | Door to Airport |
| by Sea | 10-35 days | Door to port |
