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