Azul Óbidos
TYPE
Limestones & gaps
COLOR
MACROSCOPIC DESCRIPTION
Greyish brown limestone, calciclastic, with blackish punctuations and some blackish beds when concentrated.
FEATURES
Compression breaking load Kg/cm2 1431
Compression breaking load after freezing test Kg/cm2 1300
Bending strenght Kg/cm2 286
Volumetric weight Kg/m3 2960
Water absorption at N.P. conditions % 0,29
Apparent porosity % 0,47
Thermal linear expansion coefficient 10-6 >per ºC 4.90
Abrasion test mm 2.30
Impact test: minimum fall height cm 35
ACABAMENTOS
