Durability Testing Data
Manufactured for long wear in demanding applications, Metropolitan Ceramics® unglazed ceramic quarry tile meets or exceeds the following standards relating to sustainability.
|
| Specification |
Test |
Standard |
Result |
| Abrasion Resistance |
ASTM C501 |
Index of 35 or better |
Metropolitan tests at >80 or Better |
| Absorption - 5 hour boil |
ASTM C373 |
5% |
Metropolitan tests at 3% maximum and qualifies as vitreous. |
| Breaking Strength |
ASTM C648
|
Min. 250 lbs. |
Metropolitan tests at 400 lbs. or better. |
| Compressive Strength |
ASTM C67 |
No industry standard |
Metropolitan tests at 10,000 P.S.I. or better. |
| Facial Size Variation |
ASTM C499 |
Average facial dimension
of each tile not to exceed 4% from nominal dimension(s) |
Metropolitan meets the standard. |
| Freeze/ Thaw |
ASTM C67
Metropolitan internal test
|
No industry standard
Metropolitan internal standard is 3,000 cycles.
|
ASTM test is 50 cycles. |
| Metropolitan quarry tile is a natural product with through-the-body color that will not wear off. |