| Project | Parameter |
| Metal Cylinder | s-sectional area is 100±0.2 cm² and the height is 50mm |
| Smooth metal flat roller | The width of the roller is 200±0.5mm, and the quality should be 10±0.5kg |
| Absorbent paper | The quantitative is 200-250 g/㎡, and its absorption speed is 75mm/10min |
| Reagent | The test should use distilled water or deionized water |
| Temperature | 25±10℃ |
| Other auxiliary devices(Optional) | Balance, stopwatch, Kebo sampler |