Characteristics	Wall Tiles IS 13753/EN-159B III Group B III	MAGIC Value
A ) DIMENSION & SURFACE QUALITY
1. Deviations in Length & Width	± 0.5 %	± 0.3 %
2. Deviations in Thickness	± 0.5 %	± 0.5 %
3. Straightness of Side	± 0.5 %	± 0.3 %
4. Rectengularity	± 0.6 %	± 0.5 %
5. Surface Flatness	± 0.5 %	± 0.3 %
6. Surface Quality	Min 95% of Tiles should be free from visible defects.	> 95%
B ) PHYSICAL PROPERTIES
1. Water Absorption	< 20%	< 18%
2. Modulus of Rupture	> 150 Kg/Cm2	> 180 Kg/Cm2
3. Scratch Hardness	Min 3 Moh's	> 3 Moh's
4. Crazing Resistance	1 Cycle	Passes 4 Cycle
C ) CHEMICAL PROPERTIES
1. Staining Resistance	Min Class 2	Resistance
2. Household Chemicals	Min Class B	Resistance
3. Scratch Resistance	Min 3	Min 3
D ) THERMAL PROPERTIES
1. Thermal Shock Resistance	10 Cycles	Resistance
2. Thermal Expansion	9x10-6 - K-1 max	Conforms