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Cladstone Tiles
  Test Description IS 4457:2007 Cladstone
A) Dimension Quality      
1 Length & Width ±0.75% ±0.5%
2 Thickness ±5% ±5%
3 Straightness of Sides ±0.5% ±0.3%
4 Rectangularity ±0.6% ±0.5%
5 Surface Flotness ±0.5% ±0.4%
B) Physical Properties      
1 Water Absorption < 0.5% < 0.5%
2 Mohs Hardness   >7
3 Flexural Strength (Average MOR) >35N/mm2 >38N/mm2
4 Breaking Strength >-1300N >-1700N
5 Abrasion Resistance/Deep Abrasion <175mm2 <144mm2
6 Skid Resistance >0.4 >0.6
7 Density (gm/cc) >2 >2.2
8 Moisture Exponsion Nil Nil
C) Chemical Properties      
1 Resistance to Conc. Acid (wt. Loss) < 1.5 % <-1 %
2 Resistance to Household Chemicals & Swimming Pool Salts Resistance Resistance
3 Stain Resistance Resistance Resistance
D) Thermal Properties      
1 Thermal Expansion <9x10-6K-1 <9x10-6K-1
2 Thermal Shock Resistance No Damage No Damage

 

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