Obsidiana Volcano Dim

 

 

 

THÔNG SỐ KỸ THUẬT

Property Units of measurament
 Obsidiana
Fire reaction
UNE-EN-ISO 9239-1:2002 & ISO 1716:2002		 Euroclassses A2fl s1
Coefficient of linear thermal expansion
UNE EN 14617-11		 ºC-1 1,2 x 10-5
Flexural strength
UNE EN 14617-2		 MPa 40 – 60
Scratch resistance
UNE EN 101:1984		 Mohs 6
Impact resistance
UNE EN 14617-9		 J min 2,8 (12 mm)
min 5,5 (20 mm)
Slip resistance
UNE EN 14231: 2003		 USRV Polish: 5 wet / 40 dry
Matt: 10 wet / 55 dry
Abrasion resistance
UNE-EN 14617-4		 mm 29 – 32
Water absorption
UNE EN 14617-1		 % 0,04 – 0,06
Apparent density
UNE EN 14617-1		 g/cm3 2250 – 2350
Chemical resistance
UNE EN 14617-10		 C4 C4 (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.

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