Pekkala Pink – OK Graniitti Oy

Reddish grey, medium and coarse-grained non-foliated granodiorite with potassium feldspar crystals ranging from 15 to 30 mm in diameter. Suited for all applications both outdoors and indoors.

Surface finish

Polished, matt polished, flamed, bush hammered, split.

Quarrier

OK Graniitti Oy

Location of quarry

Tynkä, Kalajoki

Category:

Description

Technical properties

EN_13755 Water absorption 0.1 %
EN_1936 Apparent density 2730 kg/m3
EN_1936 Open porosity – %
EN_12372 Flexural strength, fresh material 15 Mpa
EN_12372 Flexural strength, fresh material, min. expected value 12.5 Mpa
EN_12372 Flexural strength, frost resistance, 1% NaCl* – Mpa
EN_12372 Flexural strength, frost resistance, 1% NaCl, min. expected value* – Mpa
EN_12371 Frost resistance, change of flexural strength*** +2.7 %
EN_1926 Compressive strength, fresh material 164 Mpa
EN_1926 Compressive strength, fresh material, min. expected value 144 Mpa
EN_1926 Compressive strength, frost resistance, 1% NaCl* – Mpa
EN_1926 Compressive strength, frost resistance, 1% NaCl, min. expected value* – Mpa
EN_14157 Abrasion resistance 19 mm
EN_13364 Breaking load at dowel hole 2800 N
EN_13364 Breaking load at dowel hole, min. expected value 2012 N
EN 14231 + CEN/TS 16165 Annex C, Slip resistance Dry test
EN 14231 + CEN/TS 16165 Annex C, Slip resistance Wet test

* After 56 freeze-thaw cycles
** Test done year 2016, other results year 2006
*** After 48 freeze-thaw cycles

Mineral composition

Plagioclase 39.1 Wt %
Potassium feldspar 23.1 Wt %
Quartz 14.3 Wt %
Biotite 13.5 Wt %
Amphibole 6.4 Wt %
Others 2.1 Wt %
Muscovite 1.5 Wt %

Mineral composition defined according to the EN 12407

Additional information

Surface finish

Polished, Matt polished, Flamed, Bush hammered, Split