Keros Stone
Keros Stone

Technical Specification,
QUARTZ STONE

Test Performed Test Standard Results
App. Density Kg/dm3 EN 14617-1 2.2 - 2.45
Water Absorption EN 14617-1 < 0.04
Flexural Strength (Mpa) EN 14617-2 50 - 60
Dimension Stability EN 14617-12 Class A
Dimension Stability EN 14617-12 Class A
Impact Resistance (Joule) EN 14617-9 4 - 9 Joule
Compressive Strength (Mpa) EN 14617-15 170 - 220
Abrasion Resistance EN 14617-4 Groove Length =21.1mm
Frost Resistance DIN 52104 Compile With Standard
Surface Hardness (Mohs Scale) EN 101 6.0 - 7.0
Stain Resistance ANSI Z124.6 Pass
Wear & Cleanability ANSI Z124.6 Pass
Chemical Resistance ANSI Z124.6 Pass
Chemical Resistance EN 14617-10 Class C4
Resistance To Acids ASTM C 650 Not Effected
Linear Thermal Expansion (30 - 60) EN 14617-11 2.6 x 10
Boiling Water Resistance NEMA LD3-3.5 Pass
High Temprature Resistance NEMA LD3-3.6 Pass
Cigarette Test ANSI Z124.6 Pass
Fire Classification EN 13501-1 Wall Cladding : B-S1-do,
Flooring & Stairs : B-fl-S1
Slip Resistance EN 14231 Wet:13-21 SRV, Dry : 43-53 SRV
Rediation GB 6566-2010 Complies With Requirement Of Standard
Thermal Shock Resistance EN14617-6 No Visual Defects After 10 Cycles
Loss in Flexual Strength =
Loss in Mass = 0.02%-0.05%
0.07%-1.1%
Freeze & Thaw Resistance EN 14617-5 No Defects After 25 Freeze Thaw Cycles
Glossiness Reflection % 45 - 70
Surface Slip ResistanceHONED 400 DIN 51130 R9
Static Coefficient Of Friction ASTM C 1028 Dry : 0.8, Wet : 0.6


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