Test method | Required value | Average values | ||
Water absorption | ASTM C373 | ≤ 0.5% | 0.05 % (porcelain) / 0.1% (slimtech) | |
Breaking strength | ASTM C648 | ≥ 250 lbf | ≥ 6000 lbf | |
Deep abrasion resistance | ASTM C1243 | ≤ 175 mm³ | compliant | |
Linear thermal expansion | ASTM C372 | no provision | α ≤ 4.4x10⁻⁶ °F⁻¹ / α ≤ 8x10⁻⁶ °C⁻¹ | |
Stain resistance | ASTM C1378 | as indicated by manufacturer | Class A resistant | |
Chemical resistance | ASTM C650 | as indicated by manufacturer | Class A resistant | |
Frost resistance | ASTM C1026 | as indicated by manufacturer | Resistant | |
Flame spread | ASTM E84 | - | Class A | |
Slip resistance | ANSI A326.3 | - | DCOF ≥ 0.42 (nat - grip) | |
Shade variation | ANSI A137.1 | - | V3 |