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Serial number | Examination project | Standard request | Examination result | Single item conclusion |
1 | Anti-booklet intensity MPa | ≥18.0 | 19.6 | Qualified |
2 | Density,g/cm3 | 1.2≤D≤1.5 | 1.33 | Qualified |
3 | Water-absorptivity | ≤30 | 29.2 | Qualified |
4 | Impermeability | Back 24h allows to appear the wet mark,does not allow to appear the waterdrop | It not wet mark,does not have the waterdrop | Qualified |
5 | Frost resistance | Does not have to appear the fissure, | The lamination does not have the fissure, | Qualified |
6 | Wet expansion rate,% | ≤0.40 | 0.17 | Qualified |
Asbestos-free cement board