Forage d'huile CMC CMC Sodium Carboxyméthyl Cellulose Powder
$2-4 /Kilogram
Type de paiement: | L/C,T/T |
Incoterm: | FOB,CIF |
Quantité de commande minimum: | 1000 Kilogram |
transport: | Ocean,Air,Express |
Hafen: | shanghai |
$2-4 /Kilogram
Type de paiement: | L/C,T/T |
Incoterm: | FOB,CIF |
Quantité de commande minimum: | 1000 Kilogram |
transport: | Ocean,Air,Express |
Hafen: | shanghai |
Modèle: 9004-32-4
Place Of Origin: China
Application Field: Textile Auxiliary Agents, Paper Chemicals, Petroleum Additives, Coating Auxiliary Agents, Water Treatment Chemicals
La carboxyméthyl cellulose (CMC) ou la gomme de cellulose est un dérivé de cellulose avec des groupes carboxyméthyl (-ch2-COOH) liés à certains des groupes hydroxyles des monomères de glucopyranose qui composent le squelette cellulose. Il est souvent utilisé comme sel de sodium, carboxyméthyl-cellulose de sodium.
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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