APG 300 Series Ferrofluid
Type: APG 313
China Advanced Ceramic APG 313 Ferrofluid is a member of China Advanced Ceramic family of APG 300 Series ferrofluids for speaker applications. The APG 300 Series is black-brown or red-brown viscous fluid and uses a synthetic hydrocarbon carrier liquid.
APG 313 Specifications and Physical Properties
| Appearance |
black-brown or red-brown viscous fluid |
| Carrier Liquid |
synthetic hydrocarbon |
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CGS Units |
SI Units |
| Saturation Magnetization (Ms) |
220 Gauss |
22 mT |
| Viscosity @27°C |
125 cP |
152 mPa·s |
| Density @25°C |
1.06 g/cc |
1.06 103 kg/m3 |
| Pour Point |
-53 °C |
-53 °C |
| Flash Point |
>200 °C |
>200 °C |
| Thermal Conductivity @38°C |
150 mW/(m·K) |
150 mW/(m·K) |
| Surface Tension @25°C |
32 dynes/cm |
32 mN/m |
| Coefficient of Thermal Expansion |
7.5 x 10-4 ml/ml°C |
7.5 x 10-4 /K |
