Table 1
Specifications of reference lubricants.
| Tinnol TD1-T2-SG | QH Everoll S 3539 TS1 | |
|---|---|---|
| Process | Packaging steel | Automotive steel |
| Application | Direct application (through MIDAS) | Recirculation |
| Appearance | Clear amber fluid | Clear amber fluid |
| Viscosity (40 °C) (cSt) | 36–43 | 55–65 |
| Saponification value (mg KOH/g) | 180–210 | 165–195 |
| Acid number (mg KOH/g) | 8.5–10.5 | 10–15 |
| Concentration (%) | 9, 14, 18 for rolling stands 3, 4, 5 respectively* | Approx. 2 |
*Rolling stands refer to the sequential rolling mill units in the tandem cold rolling process, where each stand progressively reduces the steel strip thickness.
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