Open Access
Table 2.
Characterization of vegetable based cutting fluids [34].
| MWFs* | pH value (emulsion 8%) | Density (g/ml) | Viscosity 40 oC mm2/s |
Flash point (°C) | Refractive index | |
|---|---|---|---|---|---|---|
| Without additive | Emulsion 8% | |||||
| CSCF-I | 8.70 | 0.970 | 71 | 1.4 | 218 | 1.475 |
| SCF-I | 9.10 | 0.980 | 74 | 2.0 | 199 | 1.474 |
| SCF-II | 9.00 | 0.975 | 75 | 1.9 | 170 | 1.475 |
| CVCF | 9.32 | 0.960 | 85 | 1.5 | 205 | 1.476 |
| CMCF | 9.40 | 0.906 | 29 | 1.4 | 175 | 1.482 |
*CSCF-I: Crude sunflower cutting fluid; SCF-I: Sunflower cutting fluid; SCF-II: Sunflower cutting fluid (a mixture of two surfactants); CVCF: Commercial vegetable cutting fluid; CMCF: Commercial mineral cutting fluid.
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