Unpolished Product Specifications

DESCRIPTION
TEST METHOD
REQUIREMENTS
CRYSTAL GRANIT STANDARD
Water Absorption ISO 10545 - 3 <= 0.5 % <= 0.1 %
Dimension :

  • Length & width
  • Thickness
  • Straightness of sides
  • Rectangularity
  • Surface flatness

  • ISO 10545 - 2
  • ± 0.6%
  • ± 5%
  • ± 0.5%
  • ± 0.6%
  • ± 0.5%
  • ± 0.08%
  • ± 2.5%
  • ± 0.1%
  • ± 0.1%
  • ± 0.1%
Bending Strength ISO 10545 - 4 >= 25 kg/cm2 >= 400 kg/cm2
Deep Abrasion Resistance ISO 10545 - 6 <= 175 mm3 <= 175 mm3
Surface Abrasion Resistance ISO 10545 - 7 Report abrasion class and cycles passed Min 3 PEI **
Thermal Expansion ISO 10545 - 8 <= 9.10-6 .K-1 <= 7.10-6 .K-1
Thermal Shock Resistance ISO 10545 - 8 No visible defects No visible defects
Frost Resistance ISO 10545 - 12 Frost proof Frost proof
Chemical Resistance ISO 10545 - 14 No visible defects No visible defects