Varieties
Finishings
Advantages of granite
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GRISSAL
Country of origin Spain
VISUAL DESCRIPTION
Grey igneous rock with coarse to large grained size.
FINISHES
Flamed, bush hammer dressed, sand blasting, sawn, brushed, honed, polished,…
FORMATS
Slabs, tiles and all kind of pieces commercials and to measure.
APPLICATIONS
Universal use: inside and outside.
STANDARD |
TEST |
RESULT |
UNE-EN 12407 |
Petrographic examination |
Biotite granite |
UNE-EN 1936 |
Apparent density |
2640 kg/m³ |
Open porosity |
1 % |
UNE-EN 13755 |
Water absorption at atmospheric pressure |
0,3 % |
UNE-EN 14157 |
Abrasion resistance |
15,3 mm |
UNE-EN 13364 |
Breaking load at dowel hole |
2000 N |
UNE-EN 1926 |
Compressive strength |
167 MPa |
UNE-EN 12372 |
Flexural strength |
14,1 MPa |
UNE-EN 12371 |
Frost resistence |
Decrease of Rf after 12 cycles |
3,2 % |
Decrease of Rf after 48 cycles |
0,2 % |
UNE-EN 14066 |
Resistence to ageing by termal shock |
Visual alterations |
Not alter |
Mass variation |
0,03 % |
Variation of dynamic elastic modulus of elasticity |
21,7 % |
UNE-EN 14231 |
Slip resistance (polished) |
Dry test (SRV) |
61 |
Wet test (SRV) |
8 |
Slip resistance (honing) |
Dry test (SRV) |
62 |
Wet test (SRV) |
18 |
Radiation description |
Radiation Protection 112 |
2,26 (*) |
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(*) Values under 6 comply with established limits in RD 78/2001 about Sanitary Protection against ionized radiations
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Theese results only relate with tested samples, so only may be used like guidance..
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