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| HR Tufflo® 100 |  |
HR Tufflo 100 is a Naphthenic Base Oil product sold exclusively by Calumet Specialty Products. |
| Tests | Test Method | Typicals |
| Viscosity, CST @ 40C | D445 | 20.0 |
| Viscosity, SUS @ 100F | D2161 | 111.0 |
| Gravity, API, 60°F | D4052 | 25.0 |
| Density @ 15C, KG/DM3 | D4052 | 0.903 |
| Flash Point, COC, F | D92 | 330 |
| Pour Point, F | D97 | -30 |
| Color, ASTM | D1500 | L0.5 |
| Aniline Point, F | D611 | 168.0 |
| Total Acid No., MG KOH/G | D974 | 0.02 |
| Viscosity-Gravity Constant | D2501 | 0.864 |
| Refractive Index @ 20 C | D1218 | 1.4952 |
| Refractivity Intercept | D2140 | 1.045 |
| Aromatic Carbon Atoms, %Ca | D2140 | 12 |
| Naphthenic Carbon Atoms, %Cn | D2140 | 43 |
| Paraffinic Carbon Atoms, %Cp | D2140 | 45 |
| Sulfur, Mass % | D2622 | 0.05 |
| Appearance | D4176 | B & C |
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