Test Data Sheet of Water Permeable Bricks |
Items of test | Product performance |
Water absorption rate(%) | Mean value≤0.5 |
Water permeability(mm/s) | Mean value≥20 |
Rupture modulus(Mpa) | Mean value≥35, single value≥32 |
Anti-skid(BPN) | Mean value 65-85 |
Frost resistance( `C ) | Mean value≥(-25) |
Breaking strength(N) | Thickness≥7.5mm, mean value≥1300N |
Side length deviation(%) | ±0.6 |
Thickness deviation(%) | ±5 |
Central curvature(%) | ±0.2 |
Side straightness(%) | ±0.3 |
RIGHT ANGLE | ±0.3 |
SURFACE FLATNESS(%) | ±0.15 |
SURFACE QUALITY | No visible defects judging from the point where is 80cm distance upright the tile |
Wearing capacity(mm) | ≤140 |
Resistance to thermal shock | Eligible |
Resistance to clazing | Eligible |
Resistance to pollution | Eligible |
RESISTANCE TO HOUSEHOLD CHEMICAL REAGENT | Eligible |
RESISTANCE TO SWIMMING POOL ALKALI | Eligible |