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Control focus:fineness, viscosity reduction, false specific gravity
Viscosity: as same as the quality of refined cotton per shift test, used for viscosity control;
False specific gravity fineness: inspection per shift
Index
|
Specification
|
Result
|
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Appearance
|
White power
|
White power
|
||||
Viscosity Mpa.s
|
≥180,000
|
189000
|
||||
PH Value
|
6-8
|
7.16
|
||||
Methoxy %
|
24.0-30.0
|
27.62
|
||||
Hydoxypropyl %
|
9.0-12.0
|
11.0
|
||||
Moisture %
|
≤5.0
|
4.6
|
||||
Ash %
|
≤5.0
|
3.8
|
||||
Transmittance of light
|
˃90
|
96
|
||||
Water-retention rate
|
˃90
|
97
|
||||
Particle size mesh
|
80
|
100% passed
|
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Conclusion
|
Passed
|
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