SR. NO. Characteristics Requirements as per ISO 13006
(Group B I a)
SORENTO Vitrified Test according to
ISO Test Procedures
DIMENSION & SURFACE QUALITY
1 Deviation in Length & Widht ± 0.6% ± 0.1% ISO 10545-2
2 Deviation in Thickness ± 5.0% ± 3.0% ISO 10545-2
3 Straightness of Size ± 0.5% ± 0.1% ISO 10545-2
4 Rectangularity ± 0.6% ± 0.1% ISO 10545-2
5 Surface Flatness (Curvature & Warpage) ± 0.5% ± 0.1% ISO 10545-2
PHYSICAL PROPERTIES
1 Water Absorption < 0.5% < 0.05% ISO 10545-3
2 Flexura Strength > 35 N/mm2 > 35N/mm2 ISO 10545-4
3 Moh's Hardness Min 6 Min 7 EN 101
4 Breaking Strength >1300N >2850N ISO 1045-4
5 Abrasion Resistance 175 mm3 max. 144 mm3 max. ISO 10545-6
6 Skid Resistance (Friction Co-efficient) > 0.4 >0.4 ISO 1045-17
7 Density (G/CC) >2 gm/cc > 2.4 ISO 1045-3
8 Thermal Shock Resistance No Damage 10 Cycle min. ISO 10545-9
9 Thermal Expansion 9x10-6 K1 Max 6x10 K1 Max ISO 10545-8
10 Frost Resistance Frost Proof Frost Proof ISO 10545-12
11 Moisture Expansion Nil Nil ISO 10545-10
12 Color Resistance No Damage No Damage ISO 10545-16
13 Glossiness Nil Approx. 65% Gloss Meter
14 Surface Quality Minimum 95% No visible defects ISO 10545-2
CHEMICAL PROPERTIES
1 Stain Resistance Resistant Resistant ISO 10545-14
2 Chemical Resistance No Damage No Damage ISO 10545-13