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Rolling Oil
Wet temper oil is used for temper rolling process of finishing the surfaces of annealed steel sheets or hop-dip coated steel sheets with high roughness roll. Having excellent cleaning and anti-rustings, these are classified into wet temper oil for galvanized steel sheets and that for general steel sheets. These fluids diluted with ion-exchange water are sprayed director to steel sheets and rolls.
Classifications of Wet Temper Fluids
| By applicable processes (for CR and CG) |
Main Products of Wet Temper Fluids
Wet Temper Fluids for Steel Sheets (CR)
| Items | pH (D/1.5%) |
Brix (Undiluted) |
Friction Coefficient (D/I.10%) |
Surface Tension (D/I.10%) |
Applications |
|---|---|---|---|---|---|
| BW SP-860/P | 9.8 | 31 | 0.38 | 41 | CR, STS |
| BW SP-860/K | 10.3 | 25.4 | 0.38 | 41 | CR, Automotive steel sheet |
| BW SP-890 | 9.8 | 32 | 0.37 | 43 | CR |
| BW SP-990HD | 10.6 | 24.4 | 0.38 | 41 | CR |
Wet Temper Fluids for Galvanized Steel Sheets (CG)
| Items | pH (D/I.5%) |
Brix (Undiluted) |
Friction Coefficient (D/I.10%) |
Applications |
|---|---|---|---|---|
| BW SPG97 | 8.5 | 20 | 0.32 | GI, GA |
| BW SPG-01 | 8.5 | 22 | - | GI, GA |
| BW SPG201US | 8.7 | 26 | 0.23 | GI, GA |
| BW SPG-901 | 8.8 | 20.4 | - | GI, GA |
| BW SPG-255SA | 8.6 | 20.4 | - | GI, GA |
| BW SPG-205SI | 8.9 | 15 | - | GI, GA |
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