Sodium Carboxymethyl Cellulose(CMC)
Chemical Formula: [C6H7O2(OH)2COONa]n
Appearance: White powder
Packing: 25 kgs in net bag, 16mts in 20’ FCL
Usage: used in field of textile, pharm, detergent, oil, etc.
Specification:
1.CMC Pharm grade
|
CMC
Pharm grade
|
Viscosity
|
Sodium (%)
|
pH
|
Chloride (Cl- %)
|
Heavy metal (%)(Pb)
|
As (%)
|
Fe (%)
|
|
Item1
|
800-1200
|
6.5-8.5
|
6.5-8.0
|
≤1.8
|
≤0.001
|
≤0.0002
|
≤0.016
|
|
Item2
|
300-600
|
6.5-8.5
|
6.5-8.0
|
≤1.8
|
≤0.001
|
≤0.0002
|
≤0.016
|
2.CMC detergent grade
|
CMC
Detergent grade
|
Viscosity
|
Purity
(%) |
pH
|
Chloride
(Cl- %) |
DEGREE OF ETHER
|
MOISTURE(％)
|
|
Item1
|
100-300
|
65
|
7.0-9.0
|
≤1.8
|
0.60-0.80
|
≤10
|
|
Item2
|
5-40
|
65
|
8.0—11.
|
≤1.8
|
0.50-0.70
|
≤10
|
3.CMC textile grade
|
CMC
Textile grade
|
Viscosity
(mpa.s)% |
(D.S)≥
|
Purity
% ≥ |
PH
|
Moisture
% ≤ |
(NaCl %) ≤
|
|
Item1
|
800-1200
|
0.85
|
90
|
6.5-7.5
|
7
|
7.0
|
|
Item2
|
300-600
|
0.85
|
90
|
6.5-7.5
|
7
|
7.0
|
4.CMC oil grade
|
CMC oil grade
|
Viscosity
mpa.s |
D.S
≥ |
Moisture
≤ |
PH
|
Desiccating amount
|
Amount of thick liquid made m3/T
|
||||
|
Adding amount
|
Sea water
|
Saturation salt solution
|
Fresh water
|
Sea water
|
Saturation salt solution
|
|||||
|
Item1
|
≤60
|
0.85
|
7
|
6.5-
7.5
|
1.0
|
≤10
|
≤16
|
/
|
/
|
/
|
|
Item2
|
1000-2000
|
0.65
|
7
|
6.5-
7.5
|
/
|
/
|
/
|
≥350
|
≥150
|
≥200
|
|
Item3
|
≥2000
|
0.85
|
7
|
6.5-
7.5
|
/
|
/
|
/
|
≥500
|
≥220
|
≥300
|