| Standarts |
DIN18158 |
Test Results |
| Deviations from Facial Dimensions and Thickness; |
|
Length & Width |
From work size
±1.5% Max. ±4 mm |
From work size
±1.5% Max. ±4 mm |
|
Thickness |
From work size thickness
±10% Max. ±2.5 mm |
From work size thickness
±10% Max. ±2.5 mm |
|
| Rectangularity |
Max. ±1.75 mm |
Max. ±1.75 mm |
| Straightness of Sides |
Max. ±0.5% |
Max. ±0.5% |
| Surface Flatness |
Center Curvature |
Max. ±0.5% |
Max. ±0.5% |
|
Edge Curvature |
Max. ±0.5% |
Max. ±0.5% |
|
Warpage |
Max. ±0.5% |
Max. ±0.5% |
|
| Water Absorption |
Ave. Max. 3%
Single Value Max. 4% |
Average < 0.5% |
| Modulus of Rupture (N/mm²) |
Ave. Min. 20 N/mm2
Individual Min. 15 N/mm2 |
Ave. Min. 20 N/mm2
Individual Min. 15 N/mm2 |
| Frost Resistance |
Required |
Passed |
| Linear Thermal Expansion Coefficient |
5.0-8.0x10-6 K-1 |
5.0-8.0x10-6 K-1 |
| Thermal Shock Resistance |
Required |
Passed |
| Resistance to Deep Abrasion |
Ave Max. 10 cm3
Individual Max. 12 cm3 |
Ave Max. 10 cm3
Individual Max. 12 cm3 |
| Acid Resistance |
Max. 4% |
< 4% |
| Resistance to Chemical |
No Effect |
Passed |
| Compressive Strength |
Min. 150 N/mm2 |
Min. 150 N/mm2 |
