Item Details
Quarry Location:
Minas Gerais
Water Absorption:
0.616 %
Density:
2720 kg/m3
Flexural Strength:
20.0 - 24.3 MPa
Recommended Usage:
Building stone, roof tiles, countertops, sinks, monuments, pool coping, sills, ornamental stone, int
Finishing Surface:
Sawn Cut, Sanded, Rockfaced, Sandblasted, Bushhammered, Tumbled, Thermalled, Natural Cleft, Weatheredge
Additional Names:
Verde Portofino Slate, Ardosia Verde Portofino
,Portofino Green Slate
Description:
Calcinations loss……. 2,9 %
Silex……. 64,5 %
Iron Oxide…………. 6,8 %
Aluminium Oxide………. 17,2 %
Calcium Oxide………. 0,7 %
Magnesium Oxide……… 2,1 %
Potasium Oxide……….3,6 %
Sodium Oxide……… 1,9 %
Sulphates expessed as SO3…….Inf. 0,1 %
Visible volumetric mass………..2720 KG/M3
Absorption coefficient……….0,616%
Breaking load through indirect stress by bending………24,3 MPa
Breaking load through indirect stress by bending after cooling………..20,0 MPa
Wear by attrition: abrasion coefficient in tribometer……………….7,57 MM
OBS.: 1 MPa = 10,2 Kg.f / Cm.2