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1.Painting grade sodium carboxymethyl cellulose (CMC)
Made from natural cotton fibers, through etherification, purification and drying process, Sodium carboxymethyl cellulose (CMC) has good water solubility, having the functions of thickening, stabilizing emulsifying and suspending in aqueous solution. So can be widely used in the painting industry.CMC in painting industry can help the coating equally distributed, improve rheological property and adjust the paint viscosity.
2.Commodity information
Name: Carboxymethyl Cellulose (CMC)
Other name: Sodium Carboxymethyl cellulose (SCMC); Na-CMC; Carboxy Methyl Cellulose; sodium salt of Carboxymethyl Cellulose; Carboxymethylcellulose sodium; painting grade CMC
Molecular formula: C8H16NaO8
CAS No.: 9004-32-4
HS CODE: 39123100
3. Function in detergent field
1) Good thickener in painting industry.
2) Can match most of the surface-active agents and preservatives exist in the water-soluble painting.
3) Change the rheological properties of the coating.
4) Prevent the drippage and sagging during the using process.
4. Characteristics
a) Finely powder and low free fibers
b) High transparency of the solution
c) Good compatibility
d) Easy soluble in water
e) Nontoxic, odourless, harmless to physical body.
5. Technical index.
Items |
T-04 |
T-08 |
ST-12 |
ST-16 |
ST-20 |
ST-16A |
Viscosity (1% Brookfield) mPa.s |
50-120 |
120-250 |
250-500 |
500-2000 |
≥2000 |
500-2000 |
Degree of substitution |
≥ 0.65 |
≥ 0.65 |
≥ 0.75 |
≥ 0.75 |
≥ 0.75 |
≥ 0.90 |
Chloride (Cl-) % |
≤ 12.0 |
≤ 12.0 |
≤ 9.0 |
≤ 2.0 |
≤ 2.0 |
≤ 2.0 |
pH value |
6.5 - 9.5 |
6.5 - 9.5 |
6.5 - 8.0 |
6.5 - 8.0 |
6.5 - 8.0 |
6.5 - 8.0 |
Moisture % |
≤ 10.0 |
≤ 10.0 |
≤ 10.0 |
≤ 10.0 |
≤ 10.0 |
≤ 10.0 |
Salt-Viscosity Ratio(SVR) |
≥ 0.40 |
≥ 0.40 |
≥ 0.50 |
≥ 0.60 |
≥ 0.82 |
0.85 |
Note |
Other types can be produced according to customers’ demands. |
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6. Package
Packing: 25kg per kraft bag with PE inner or according to customers’ demands.
7. Storage
1) Store in a cool, dry, clean, ventilated environment.
2) Material must be handled as a Industrial chemical, wearing protective equipment and observing the precautions as mentioned in the MSDS.
3) The products should be prevented from water and avoided damaging during transportation.
With the aid of wide experience and expertise, SHANGYONG is one of the professional cmc painting grade manufacturers and suppliers. In order to cater to customers' different requirement, we also offer customized service. Welcome to buy our cmc painting grade at the most competitive price.
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