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This grade is prepared by VDF emulsion polymerization. The powder, dissolved in some polar solvents (NMP, DMF, DMAC, etc.) under a certain condition of temperature and agitation, can be used as binder in the preparation of Nips membrane.
Item | Unit | Test Method | SF-F22NM |
Appearance | / | White powder | |
Average particle size | μm | Laser sizer | ＜15 |
Rotational Viscosity | mPa.S | 0.g/ml DMAC | ＞450 |
Melting point | ℃ | ASTM D3418 | 164 |
Density | g/cm3 | ASTM D792 | 1.77 |
Moisture | wt％ | ASTM D570 | 0.03 |
Intrinsic Viscosity | 102ml/g | Ubbelohde | 1.40-1.90 |
