Oljeborrning CMC natriumkarboximetylcellulosapulver
$2-4 /Kilogram
Betalning Typ: | L/C,T/T |
Incoterm: | FOB,CIF |
Min. Beställ: | 1000 Kilogram |
Transportfordon: | Ocean,Air,Express |
Hamn: | shanghai |
$2-4 /Kilogram
Betalning Typ: | L/C,T/T |
Incoterm: | FOB,CIF |
Min. Beställ: | 1000 Kilogram |
Transportfordon: | Ocean,Air,Express |
Hamn: | shanghai |
Modell nr: 9004-32-4
Place Of Origin: China
Application Field: Textile Auxiliary Agents, Paper Chemicals, Petroleum Additives, Coating Auxiliary Agents, Water Treatment Chemicals
Karboximetylcellulosa (CMC) eller cellulosagummi är ett cellulosaderivat med karboximetylgrupper (-CH2-COOH) bundna till några av hydroxylgrupperna av glukopyranosmonomerer som utgör cellulosa-ryggraden. Det används ofta som dess natriumsalt, natriumkarboximetylcellulosa.
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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