Packing: 80g/bottle; 300g/bottle.
Material name: polyvinylidene fluoride.
Application: battery binder.
PVDF900 adopts emulsion polymerization, with a molecular weight of 1 million and a small particle size of about 30 microns. It has high purity, good processing performance, good viscosity and bonding properties, and is suitable for positive electrode binders of lithium-ion batteries.
Main Parameters:
| Test items | Typical value (unit) | Test Method | |
| Physical properties | Density | 1.76~1.79g/cm3 | ASTM D792 |
| Melting point | 162~172 ℃ | ASTM D3418 | |
| Refractive index (online test, 23℃) | 1.42 | ASTM D542 | |
| Water absorption (23℃, 24 hours) | <0.30% | ASTM D543 | |
| Thermodynamic properties | Melt viscosity (230℃, 1 00 sec-1) | 3300~5500 Pa.s | ASTM D3835 |
| Linear thermal expansion coefficient | 11.8×10-5℃-1 | ASTM D696 | |
| Flexural temperature (454kPa) | 125~140℃ | ASTM D648 | |
| Flexural temperature (1816 kPa) | 105~115 ℃ | ASTM D648 | |
| Flammability | Limited oxygen index | 43% | ASTM D2868 |
| Thermal decomposition temperature (in air) | 375℃ | TGA | |
| Thermal decomposition temperature (in nitrogen) | 410℃ | 1% weight loss | |
| Burnability (Announcement No. 94) | V-O | UL | |
| Mechanical properties | Tensile impact strength | 40~55 MPa | ASTM D638 |
| Tensile rupture strength | 34~43 MPa | ASTM D638 | |
| Elongation at rupture | 50~250% | ASTM D638 | |
| Tensile modulus | 1360~2040 MPa | ASTM D638 | |
| Flexural strength | 48~62 MPa | ASTM D790 | |
| Flexural modulus | 1360~2210 MPa | ASTM D790 | |
| Compressive strength | 68~103 MPa | ASTM D695 | |
| Impact strength (notched) | 107~214 J/m | ASTM D256 | |
| Impact strength (unnotched) | 1068~4280 J/m | ASTM D256 | |
| Hardness | 76~80 Shore D | ASTM D2240 | |
| Other Features | Intrinsic viscosity | 0.1-0.21/g | |
| Transport Storage Use |
1. The product is safe to transport when the packaging is intact. 2. The storage period of this product is 2 years. It should be sealed and waterproof in a ventilated, dry, and cool place without sunlight. 3. It should be dried according to the situation when used, and should be sealed after use. |
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