Charecteristics |
European
and Indian Standards |
Value
of Argil Tiles |
| |
|
|
| Dimensional
Tolerance |
±0.5%
max |
±0.5%
max |
| Thickness
Tolerance |
a)
Avg. of each tile +0.6mm for > 250 to 500cm2
b) Avg. of each tile +0.7mm for tile > 500 to
1000cm2 |
|
| Straightness
Tolerance |
±0.3%
max |
±0.3%
max |
| Rectangularity |
±0.5%
max |
±0.5%
max |
Surface
Flatness
a) Centre Curvature
b) Edge Curvature
c) Warpage Related to
Diagonal
|
±0.5%/-0.3%max
±0.5%/-0.3%max
±0.5%/-0.3%max |
±0.5%/-0.3%max
±0.5%/-0.3%max
±0.5%/-0.3%max |
| Surface
Quality |
Min.
95% area should be free from visible defects |
Min.
95% area should be free from visible defects |
| Water
Absorption |
>10% |
>15% |
| Modules
of Rapture |
Avg.
15 N/mm2 |
Avg.
20 N/mm2 |
| MOH's
Scratch Hardness |
Min.3 |
Min.3 |
| Crazing
Resistance |
1 Cycle
of 1 hour at 5 bar steam pressure |
No
Crazing after 1 cycle of 1 hour at 5 bar steam pressure |
| Chemical
Resistance |
Resistance
to all acids & alkalies
(Except Hydroflouric acid & its compouds) |
Resistance
to all acids & alkalies (Except Hydroflouric
acid & its compouds) |
| |
|
|
