ISO 13006 Standard
Description
Required
Standards
Essenza
All Stone Series
Surface Quality
No visible defects
No visible defects
Length
Width
± 0.6 %
± 0.5 %
± 0.04 %
Thickness
± 5 %
1.56%
Straightness of Sides
± 0.5 %
-0.03%
Rectangularity
Max ± 0.6 %
-0.12%
Surface Flatness
Centre Curvature
Warpage
Edge Curvature

± 0.5 %
± 0.5 %
± 0.5 %

-0.06%
-0.19%
-0.10%
Water Absorption

Max. 0.5%

0.04%
Breaking Strength (N)
For Thickness = 7.5 mm

Min. 1,300

2,554
Modulus of Rupture (N/mm²)

Min. 35

55.1
Deep Abrasion Resistance Vm (mm³)
Max. 175
124
Dynamic Coefficient of Friction
Dry
Wet
= 0.4 ( class 2)
recommended for enhanced slip resistance requirement

0.81
0.53
Chemical Resistance
Household Chemical
High Concentration
(Acid & Alkaline)
Min. Class UB

Class UA
Class UHA