Oil Drilling Grade CMC Sodium Carboxymethyl Cellulose Powder
$2-4 /Kilogram
Payment Type: | L/C,T/T |
Incoterm: | FOB,CIF |
Min. Order: | 1000 Kilogram |
Transportation: | Ocean,Air,Express |
Port: | shanghai |
$2-4 /Kilogram
Payment Type: | L/C,T/T |
Incoterm: | FOB,CIF |
Min. Order: | 1000 Kilogram |
Transportation: | Ocean,Air,Express |
Port: | shanghai |
Model No.: 9004-32-4
Place Of Origin: China
Application Field: Textile Auxiliary Agents, Paper Chemicals, Petroleum Additives, Coating Auxiliary Agents, Water Treatment Chemicals
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.
Items | Standards |
Appearance | White to cream colored powder |
Particle Size | Min 95% pass 80 mesh |
Purity(dry basis) | 98% Min |
Viscosity (2% solution, dry basis, 25°C) | 20 Max |
Degree of substitution | 0.7 Min |
pH (1% solution) | 6.0- 8.5 |
Loss on drying | 10% Max |
Lead | 3 mg/kg Max |
Arsenic | 2 mg/kg Max |
Mercury | 1 mg/kg Max |
Cadmium | 1 mg/kg Max |
Total heavy metals (as Pb) | 10 mg/kg Max |
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