ASAFINE®, a detergent, cleans the surface of cold rolled steel sheet from rolling oil, rust preventive oil and iron powder stains before the next process (annealing, galvanizing) starts.

| ASFINE | Application | Features | Quantity added %* |
|---|---|---|---|
| C-4S | Cleaning of steel sheet (to remove rolling oil) | For spray cleaning 37.5% NaOH one-component type |
1-3% as NaOH |
| C-4S-3 | 37.0% NaOH one-component type Low temperature cleaning type (40°C) |
1-3% as NaOH | |
| C-4S-5 | For spray cleaning 40.0% NaOH one-component type |
1-3% as NaOH | |
| C-4J3 | 35.0% NaOH one-component type | 1-3% as NaOH | |
| C-4(A,AK,AK-2) | 40% NaOH one-component type | 1-3% as NaOH | |
| C-100N-2 | A liquid additive (for NaOH) | 0.2-0.5% * | |
| C-100S | A liquid additive (for NaOH) | 0.2-0.5% * | |
| C-100A | A liquid additive (for NaOH) | 0.2-0.5% * | |
| EN-7 | For electrolytic cleaning (ortho-silicate soda) | 0.2-0.5% * | |
| C-10S | Cleaning of steel sheet (to remove rust preventive oil) | For splay cleaning 6.0% NaOH one-component type |
0.2-0.4% as NaOH |
* concentration in alkaline liquid volume