RIO PRETO RIO PRETO Granite Black Brazil RIO PRETO is a black colour granite from Brazil. Technical Information Values Volumetric Mass 2823 Kg/m3 Compression strenth 2336 Kg/cm2 Bending strength 185 Kg/cm2 Compression strength after freezing 2127 Kg/cm2 Imbibition Coefficient 0,1 % N. Slabs Available N. Blocks Available Request Information