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Volcano Grey

THE ETHICAL BEAUTY

polished / Glacé finish

PropertyUnits of measurament
Obsidiana
Fire reaction
UNE-EN-ISO 9239-1:2002 & ISO 1716:2002
EuroclasssesA2fl s1
Coefficient of linear thermal expansion
UNE EN 14617-11
ºC-11,2 x 10-5
Flexural strength
UNE EN 14617-2
MPa40 – 60
Scratch resistance
UNE EN 101:1984
Mohs6
Impact resistance
UNE EN 14617-9
Jmin 2,8 (12 mm)
min 5,5 (20 mm)
Slip resistance
UNE EN 14231: 2003
USRVPolish: 5 wet / 40 dry
Matt: 10 wet / 55 dry
Abrasion resistance
UNE-EN 14617-4
mm29 – 32
Water absorption
UNE EN 14617-1
%0,04 – 0,06
Apparent density
UNE EN 14617-1
g/cm32250 – 2350
Chemical resistance
UNE EN 14617-10
C4C4 (material keeps at least 80 % of the reflection reference value after 8h of basic attack)

The values in this data sheet are only typical values and not vinculant. For more information or test reports please contact our quality department.

Technical specifications

Application

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