Weight: | 25kg |
Type | waterproof coating |
Material | special cement,silica sand,chemical materials. |
Application: | waterproof engineering |
No. | Item | Performance index | ||||||
1 | Appearance | Uniform, without caking | ||||||
2 | Moisture content /% ≤ | 1.5 | ||||||
3 | Fineness, 0.63mm residue on the sieve (%) ≤ | 5 | ||||||
4 | Chloride iron content/% ≤ | 0.10 | ||||||
5 | Constructability | After adding water and stirring | no barrier to scraping and coating | |||||
20min | no barrier to scraping and coating | |||||||
6 | Bending strength/Mpa, 28 d ≥ | 2.8 | ||||||
7 | Compressive strength/Mpa, 28 d ≥ | 15.0 | ||||||
8 | Bond strength of wet base course/Mpa,28d ≥ | 1.0 | ||||||
9 | Impermeability of mortar | Impermeability pressure of mortar with coating (Mpa, 28d) | Measured value in the report | |||||
Impermeability pressure ratio (with coating) (%,28d)≥ | 250.0 | |||||||
Impermeability pressure of mortar with coating removed (Mpa, 28d) | Measured value in the report | |||||||
Impermeability pressure ratio (with coating) (%,28d)≥ | 175.0 | |||||||
10 | Impermeability of concrete | Impermeability pressure of mortar with coating (Mpa, 28d) | Measured value in the report | |||||
Impermeability pressure ratio (with coating)(%,28d)≥ | 250.0 | |||||||
Impermeability pressure of mortar with coating removed (Mpa, 28d) | Measured value in the report | |||||||
Impermeability pressure ratio (with coating) (%,28d)≥ | 175.0 | |||||||
Second impermeability pressure of concrete with coating (Mpa, 56d) | 0.8 | |||||||
The 28d impermeability pressure of reference mortar and reference concrete is 0.4± Mpa, which shall be indicated in the product quality test report. |