S t o n e A u r a

Unmatched Technical Precision.

Our tiles are manufactured to exceed international benchmarks. We maintain rigorous quality control to ensure every piece offers superior dimensional stability and surface perfection beyond standard requirements.

PROPERTIES EURO STANDARD EN-159/IS 13753 OUR VALUE
DIMENSION & SURFACE QUALITY
Dimension ± 0.5% ± 0.2%
Deviation in Thickness ± 0.6mm ± 0.2mm
Straightness of sides ± 0.3% ± 0.2%
Rectangularity ± 0.5% ± 0.3%
Surface flatness ± 0.5% ± 0.3%
Surface Quality Min 95% Min 96%
PHYSICAL PROPERTIES
Water absorption >10% 13.5%
Bending Strength > 150 Kg/Cm2 200-250 Kg/Cm2
Scratch hardness (Mohs) Min 3 Min 3
Crazing 1 cycle No Crazing at 5 Cycles
CHEMICAL PROPERTIES
Staining Resistance Min Class 2 Resistance to all Acids, Alkalies & Household
Chemicals, except Hydro Fluoric Acid
Household Chemical Min Class B Resistance to all Acids, Alkalies & Household
Chemicals, except Hydro Fluoric Acid
THERMAL PROPERTIES
Thermal Shock Resistant to 10 Cycles CONFORMS
Thermal Expansion Max-9E-06 CONFORMS
PROPERTIES TEST METHOD ISO STANDARD 13006 B1a TILES OUR VALUE
Length and width BS EN ISO 10545-2 ± 0.6% ± 0.3%
Thickness BS EN ISO 10545-2 ± 5.0% ± 3.0%
Straightness of sides BS EN ISO 10545-2 ± 0.5% ± 0.3%
Rectangularity BS EN ISO 10545-2 ± 0.6% ± 0.3%
Surface flatness BS EN ISO 10545-2 ± 0.5% ± 0.3%
Water absorption BS EN ISO 10545-3 ≤ 0.5% ≤ 0.05%
Breaking strength BS EN ISO 10545-4 ≥ 1300N ≥ 1500N
Modulus of rupture BS EN ISO 10545-4 ≥ 35 N/mm2 ≥ 45 N/mm2
Resistance to deep abrasion BS EN ISO 10545-6 ≤ 175mm3 ≤ 150mm3
Linear thermal expansion BS EN ISO 10545-8 ≤ 9 x 10-6 °C1 ≤ 7 x 10-6 °C1
Thermal shock resistance BS EN ISO 10545-9 No visible defect No visible defect
Frost resistance BS EN ISO 10545-12 Frost proof Frost proof
Resistance to chemicals BS EN ISO 10545-13 No visible effect No visible effect
Resistance to stains BS EN ISO 10545-14 Manufacturer to
state class
Stains removed
Min. Class 3
Colour resistance BS EN ISO 10545-16 No damage No damage
Colour resistance to UV Light DIN 51094 No change in color No change in color
Scratch hardness (MOH's Scale) EN 101 ≥ 6 MOHS ≥ 7 MOHS
Surface quality BS EN ISO 10545-2 Min. 95% No visible defect
Skid resistance (friction co-efficient) BS EN ISO 10545-17 > 0.4 > 0.4
Moisture Expansion - Nil Nil