Kuru Redbrown, Kurun punaruskea graniitti

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Tampereen Kovakivi Oy

Layout updated: 2017-10-06 4:52

content updated: 2017-01-29 13:13:45

Kuru Redbrown is a fine-grained, slightly foliated granite with a deep redbrown colouring.

Finnish Natural Stones | Kuru Redbrown, polished
Kuru Redbrown, polished

Quarrying place, address/coordinates (EUREF-FIN geographical)

Parkkuu, 34300 Kuru, 1970

Technical properties

EN_13755 Water absorption

0.1

%  
EN_1936 Apparent density

2680**

kg/m3  
  Open porosity

0.3**

kg/m3  
EN_12372 Flexural strenght Fresh material

22.9**

MPa  
  Min. expected value

21.1**

MPa  
  After 56 freeze-thaw cycles, with 1%NaCl 19.3** MPa  
  Min. expected value 154** MPa  
EN_12371 Frost resistance, change of flexural strenght

+2.2

%  
EN_1926 Compressive strenght Fresh material

198**

MPa  
  Min. expected value

115**

MPa  
  After 56 freeze-thaw cycles, with 1%NaCl 211** MPa  
  Min. expected value 154** MPa  
EN_14157 Abrasion resistance

15**

mm  
EN_13364 Breaking load at dowel hole

3950

N  
  Min. expected value

2948

N  
EN_14231 + CEN/TS 16165 Annex C Slip resistance Dry surface    
  Wet surface    

** Tested in 2016; otherwise 2006

Mineral content

Plagioclase

35.1

Wt%
K-feldspar

28.8

Wt%
Quartz

23.7

Wt%
Biotite

7.7

Wt%
Muscovite

2

Wt%
Accessory minerals

1.5

Wt%
Epidote

1.3

Wt%

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