Textile,Dyeing Grade Sodium Carboxy Methyl Cellulose:
1.Chemicals Name: Carboxymethyl cellulose
Synonyms: Cellulose carboxymethyl ether sodium salt;CMC;Sodium Carboxymethyl Cellulose;CM-Cellulose sodium salt; Cellulose glycolic acid, sodium salt; Cellulose sodium glycolate; Cellulose, carboxymethyl ether, sodium salt;
Molecular formula: [C6H7O2(OH)2CH2COONa]n
CAS No.:9004-32-4;9000-11-7
2.Properties :
white or yellowish floc like fiber powder or white powder,odorless,tasteless, no toxicity; disolved in cold water or hot water, solution is basic or neutral, its solution is stable in ph of 2-10, color-changed temp. is 227οC, charring temp. is 252οC, the surface tension of 2% solution is 71mn/n.
3.Specifications :
Item | Specification Index | ||||
IH-7 | IM-7 | IM-6 | IM-5 | IM-4 | |
Loss on Drying(%) | 10 Max | 10 Max | 10 Max | 25 Max | 10 Max |
Purity (%) | 90 Min | 75 Min | 70 Min | 60 Min | 60 Min |
Degree of Substitute | 0.7 Min | 0.7 Min | 0.7 Min | 0.50 Min | 0.50 Min |
Viscosity(Mpas) | 800-1200 | 600-800 | 300-600 | 200-500 | 100-300 |
2% Water Solution | |||||
PH Value | 6.0-8.5 | 6.0-8.5 | 6.0-8.5 | 8-10 | 8-10 |
4.Application :
CMC used in textile and dyeing industry as sizing agent and dying adjuvant to make stock limpidity and transparence. It is easy a good stabilizer of the stock and helps to form film. It is easy to desizing.
5.Packing & storage:
Net wt 25Kg per bag. 16 MT / 20 FCL; or according to customized
Kept in clean, dry and ventilating place, avoid moisture, fire and high temperature.
Textile,Dyeing Grade Sodium Carboxy Methyl Cellulose