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AUSTIN BLACK® 325
| Typical Properties | Test Method | Values |
| Specific gravity | --- | 1.31 ± 0.03 |
| Carbon, C: | --- | 77.00% typical |
| Volatiles: | ASTM D3175 | 20.00% max. |
| Moistures (Heat Loss) | ASTM D3302 | 1.0% |
| Ash: | ASTM D3174 | 7.50% max. |
| Sulphur: | ASTM D3177 | 0.80% ± 0.10% |
| pH: | --- | 7.00 |
| Particle size: | Microtrac SRA 150 | 5.50 microns, average |
| B.E.T. (Nitrogen Surface Area) | ASTM D3037 | 8.97 m2/g |
| Oil absorption: | --- |
40 lbs. / 100 lbs. (28.1 kg / 100 kg) |
| Chemical resistance | --- | Excellent |
| Pour density: | --- |
22 lbs. / ft.3 (386.5 kg / m3) |