TECHNICAL SPECIFICATION FOR GVT PORCELAIN
SR, NO. |
CHARACTERISTICS |
REQUIREMENT AS PER ISO-13006/EN14411 GROUP Bla |
ISO / EN TESTING METHOD |
A |
DIMENSION & SURFACE QUALITY |
1 |
Deviation in length & width |
± 0.5% |
ISO-10545-2 |
2 |
Deviation in thickness |
± 5.0% |
ISO-10545-2 |
3 |
Straightness in side |
± 0.5% |
ISO-10545-2 |
4 |
Rectangularity |
± 0.5% |
ISO-10545-2 |
5 |
Surface flatness |
± 0.5% |
ISO-10545-2 |
6 |
Color difference |
Unlterned |
ISO-10545-16 |
|
Glossiness |
ACCORDING TO SURFACE FINISH |
GLOSSOMETER |
B |
STRUCTURAL PROPERTIES |
1 |
Water Absorption |
< 0.50% |
ISO-10545-3 |
2 |
Density (g/cc) |
> 2.0 g/cc |
DIN 51082 |
C |
MASSIVE MECHANICAL PROPERTIES |
1 |
Modulus of repture |
Min. 35 N/mm2 |
ISO-10545-4 |
2 |
Breaking strength |
Min. 1300 N |
ISO-10545-4 |
3 |
Impact resistance |
As per mfg. |
ISO-10545-5 |
D |
SURFACE MECHANICAL PROPERTIES |
1 |
Surface abrasion resistance |
As per mfg. |
ISO-10545-7 |
2 |
MOH's hardness |
As per mfg. |
EN 101 |
3 |
Skid Resistance (Friction Coefficient) |
As per mfg. |
ISO-10545-17 |
E |
CHEMICAL PROPERTIES |
1 |
Frost Resistance |
Frost Proof |
ISO-10545-12 |
2 |
Chemical Resistance |
No Damage |
ISO-10545-13 |
3 |
Stain Resistance |
Resistance |
ISO-10545-14 |
F |
THERMAL PROPERTIES |
1 |
Thermal Shock Resistance |
No Damage |
ISO-10545-9 |
2 |
Thermal Expansion |
< 9 x 10-6 |
ISO-10545-8 |
3 |
Moisture Expansion |
Nil |
ISO-10545-10 |