Technical Standards

European Standards

European Standards (EN) for hardened stone

ČSN EN 14617-1

(Artificial stone - Test methods - Part 1: Determination of bulk density and water absorption)

ČSN EN 14617-2

(Artificial stone - Test methods - Part 2: Determination of flexural strength)

ČSN EN 14617-4

(Artificial stone - Test methods - Part 4: Determination of abrasion resistance)

ČSN EN 14617-5

(Artificial stone - Test methods - Part 5: Determination of frost resistance)

ČSN EN 14617-6

(Artificial stone - Test methods - Part 6: Determination of resistance to thermal shock)

ČSN EN 14617-09

(Artificial stone - Test methods - Part 9: Determination of impact resistance)

ČSN EN 14617-10

(Artificial stone - Test methods - Part 10: Determination of chemical resistance)

ČSN EN 14617-11

(Artificial stone - Test methods - Part 11: Determination of the coefficient of linear thermal expansion)

ČSN EN 13501-1

(Flammability)

ČSN 725191 a P CEN/TS 16165

(Anti-slip)
Average achieved values of basic physical and mechanical properties according to European h standards
PRODUCTON GROUP

BULK DENSITY

 (g / cm3)

WATER ABSORPTION AFTER 48 HOURS

(% hm.)

FLEXURAL TENSILE STRENGHT

(MPa)

Range of Values

Average Value Range of Values Average Value Range of Values Average Value
Sand 2,35 - 2,44 2,39 0,01 - 0,05 0,03 47 - 71 57
Granite 2,40 - 2,58 2,48 0,01 - 0,07 0,04 31 - 50 42
Mirrors 2,31 -2,45 2,38 0,01 - 0,05 0,02 36 - 68 49
Crystal (Noble) 2,20 - 2,37 2,32 0,01 - 0,05 0,03 63 - 93 80
Crystal (grains < 2,5 mm) 2,20 - 2,44 2,38 0,01 - 0,05 0,03 50 - 97 75
Crystal (grains  2,5 mm)  2,39 - 2,47 2,43 0,01 -0,04 0,02 31 - 54 46
Implementing standard EN 14617-1 EN 14617-1 EN 14617-2
Determined Technistone laboratory

 

PRODUCTION GROUP

THERMAL EXPANSION

COEFFICIENT(30 TO 60 °C)

THERMAL EXPANSION

COEFFICIENT (20 TO 130 °C)

FROST RESISTANCE COEFFICIENT

(AVERAGE)

ABRASION RESISTANCE

(AVERAGE)
( 10-6 /°C ) ( 10-6 /°C ) - (mm3)
Sand 21,8 30,0 90 - 110 6840
Granite 13,4 17,3 90 - 110 8125
Mirrors 17,5 22,7 90 - 110 7900
Crystal  17,5-34,6 22,7-40,2 90 - 110 6700
Implementing standard EN 14617-11 EN 14617-11 EN 14617-5 EN 4157 (B)
Determined TZÚS Plzeň Stone and Gravel Test Laboratory, Hořice

American standards

American standards (ASTM; not directly for engineered stone)

ASTM C97 (absorbency, bulk density)
ASTM C99 (flexural strength, three-point bending)
ASTM C880 (flexural strength, four-point bending)
ASTM C1028 (anti-slip)
ASTM C650 (chemical resistance)
ASTM C1378 (resistance against stains)
ASTM C484 (thermal shock)
ASTM C648 (fracture force)
ASTM C241 (abrasion)
ASTM E84 (flammability)
ASTM E228 (coefficient of thermal expansion)

 

Institution:
  • Tile Council of North America USA (TCNA)
  • Applied Materials & Engineering USA (AME)
  • TEC Services USA
  • Commercial Testing Company USA
  • Orton USA

 

Average achieved values ​​of basic physical and mechanical properties according to American standards
Standard Propertz Unit Values
ASTM C97 Absorbency %

0,01 - 0,06

ASTM C97 Bulk density lb/ft³

138,6 - 151,3

ASTM C99 Flexural strength in bending psi

5 699 - 9 776 (dry)

6 904 - 12 547 (wet)

ASTM C880 Flexural tensile strength in bending psi

5 761 - 10 063 (dry)

5 864 - 11 464 (wet)

ASTM C1378 Resistance -

Unchanged (Class A)

ASTM C650 Chemical resistance -

Uncahnged (Classs C)

ASTM C484 Thermal shock -

mechanical properties unchanged

ASTM C648 Fracture strength lbf

937–1625

ASTM C1028 Anti-slip -

0,79 - 1,05 (dry)

0,57-0,71 (wet)

ASTM E84-10 Flammability -

Class A

ASTM C241-09 Resistance -

79,11 - 110,5

ASTM E228 Coefficient of thermal expansion (30–60 °C)  

18,2 - 30,9

 

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