Alma Grey Granite

Characteristics: light gray granite, medium-grained gray-blue two-tone granite and slight porfiroid tendency.

This Portuguese granite of Traso os Montes is suitable for both internal and external works; It is available for medium quantities uniform material

Sale

blocks, slabs, floors, curbs, sawed and split cubes

Portuguese granite Alma Gray

FEATURES PETROGRAPHICS AND TECHNIQUES

Mechanical resistance to:

Flexion 179 Kg/cm2

Compression treatment of gelivity 1705 Kg/cm2

Simple compression 1935 Kg/cm2

Absorption of water at normal atmospheric pressure: 0.28

Thermal linear expansion coefficient (10-6 / ° C) 7.7

Impact resistance minimum fall height (cm) 65

Frictional wear (Amsler Laffon) mm / 200m 0.2

Apparent volumetric mass: 2649 Kg/cm3

Porosity % 0.55