Technical sodium carboxymethyl cellulose (CMC) is a sodium salt of cellulose glycolic acid, obtained from reaction of alkali cellulose and sodium monochloracetate or monochloracetic acid.
Water retention
Thickening
of water solutions
Possibility
to use as an
anticrystallizing
agent
Modification
of rheological
properties
Ability to
absorb on
the surface
of minerals
| Properties | Kamcel 300 |
Kamcel 400 |
Kamcel 500 |
Kamcel 600 |
Kamcel 700 |
Kamcel 800 |
Kamcel 1000 |
|---|---|---|---|---|---|---|---|
| Appearance | Fine-grained free-flowing material of white to beige color | ||||||
| Water content, %, max/td> | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| Degree of substitution in carboxymethyl groups, in limits |
60-75 | 75-90 | 60-90 | 75-90 | 75-90 | 75-90 | 75-90 |
| Active content of the dry-weight technical product, %: for «Standard» grade, min for «Extra», min |
50 | 50 | 50 | 55 | 55 | 55 | 55 |
| 65 | 65 | 65 | 65 | 65 | 65 | 65 | |
| Degree of polymerization | min 450 | 350-500 | 500-600 | 600-700 | 700-800 | 800-950 | max 950 |
| Brookfield viscosity of 2,0% solution (20 С), mPa*s |
20 – 1500 | ||||||
| Water solubility as absolute-dry technical product, %, min |
97 | 97 | 97 | 97 | 97 | 97 | 97 |
| pH-content of 2% aqueous CMC solution at t 20 С |
6,5-11 | 6,5-11 | 6,5-11 | 6,5-11 | 6,5-11 | 6,5-11 | 6,5-11 |
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