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Varieties
Finishings
Advantages of granite

GRIS PERLA

Country of origin    Spain

VISUAL DESCRIPTION
Light grey igneous rock with large grained size and k-feldspar megacryst porphydic texture.

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 anfibólico

UNE-EN 1936

Apparent density

2650 kg/m³

Open porosity  

1,1 %

UNE-EN 13755

Water absorption at atmospheric pressure

0,3 %

UNE-EN 14157

Abrasion resistance

15,8 mm

UNE-EN 13364

Breaking load at dowel hole

2750 N

UNE-EN 1926

Compressive strength

184 MPa

UNE-EN 12372

Flexural strength

10,1 MPa

UNE-EN 12371

Frost resistence 

Decrease of Rf after 12 cycles

6,7 %

Decrease of Rf after 48 cycles

0,5 %

UNE-EN 14066

Resistence to ageing by termal shock 

Visual alterations 

Alteración ligera

Mass variation      

0,03 %

Variation of dynamic elastic modulus of elasticity

20,8 %

UNE-EN 14231

Slip resistance (polished)

Dry test (SRV)

74

Wet test (SRV)

10

Slip resistance (honing)

Dry test (SRV)

93

Wet test (SRV)

18

Radiation description

Radiation Protection 112

1,99 (*)

 

(*) Values under 6 comply with established limits in RD 78/2001 about Sanitary Protection against ionized radiations

 

Theese results only relate with tested samples, so only may be used like guidance..

 
 










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