≥1 piece |
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 | ||||
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 | ||||
Conclusion | Passed |