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PVDF Powder SF-904 by VDF Emulsion Polymerization
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 coated on some materials or applied in the preparation of Nips membrane.
Technical Data Sheet
| Properties | Test Method | Unit | SF-904 |
| Average Particle Size | Laser Sizer | μm | unsifted＜30 sifted＜15 |
| Intrinsic Viscosity | Ubbelohde | 102ml/g | 1.40-1.49 |
| Rotary Viscosity | 0.1g/mL NMP | Ps.s | ＞450 |
| Density | ASTM D792 | g/cm3 | 1.77-1.78 |
| Melting Point | ASTM D3418 | ℃ | 160-168 |
| Water Absorption | ASTM D570 | wt% | ＜0.05 |
| LOI | ASTM D2683 | % | 43 |
