Cobweb Quartz is a man-made material called Quartz. This stone is mostly used for kitchen countertops, backsplashes, vanity tops, and kitchen islands. Its Grey-Black veins with white-Grey color will match with dark gray, white, black, blue, and brown kitchen Cabinets or Vanities.
Size: 330 x 163 cm – 130″ x 64″
Thickness: 20mm – 3/4 & 39mm – 1 1/4″
Type: Quartz
| PROPERTY | TEST METHOD | UNITS OF MEASURAMENT | TYPICAL VALUE |
| FIRE REACTION (EUROCLASSES) | EUROCLASSES UNE-EN-ISO 9239-1:2002 & ISO 1716:2002 | Euroclassses | A2fl s1 |
| LINEAR THERMAL EXPANSION COEFFICIENT | UNE EN 14617-11:2006 Agglomerated stone. Determination of linear thermal expansion coefficient. | ºC-1 | 2,06 x 105 |
| FLEXURAL STRENGTH | UNE EN 14617-2:2005 Agglomerated stone. Determination of flexural strength. | MPa | 45 – 55 |
| IMPACT RESISTANCE | UNE EN 14617-9:2005 Agglomerated stone. Determination of impact resistance. | J | 8 – 11 |
| SLIP RESISTANCE | UNE EN 14231:2004 Tiles of natural stone for external paving. Requirements and test methods. | USRV | 6 wet 37 dry |
| WATER ABSORPTION | UNE EN 14617-1:2005 Agglomerated stone. Determination of water absorption. | % | 0,06 – 0,08 |
| APPARENT DENSITY | UNE EN 14617-1:2005 Agglomerated stone. Determination of water absorption. | kg/m3 | 2,350 – 2,450 |
| ABRASION RESISTANCE | UNE-EN 14617-3:2005 Agglomerated stone. Determination of the abrasion resistance. | mm | 26 – 28 |
| CHEMICAL RESISTANCE | UNE EN 14617-10: 2005 Agglomerated stone. Determination of the chemical resistance. | C4 Surface Hardness |
C4 Alkalis: 80% resistance after 8 hours.
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| SURFACE HARDNESS | UNI EN 101 Ceramic tiles. Determination of scratch hardness of surface according to MOHS. | MOHS | 6 -7 |
