Trade name: COTTAER SANDSTONE
Petrographic family: Sedimentary rock
Petrographic name: Sandstone / Elbsandstone / Quartzarenite
Geological age: Cretaceous / Lower Turonian / Labiatussandstein
Origin: Germany / Saxony / Cotta
Bulk density (according to DIN EN 1936): Mean value 2,040 kg/m³
Compressive strength (according to DIN EN 1926): Mean value 55 Mpa (perpendicular to the anisotropy plane)
Flexural strength (according to DIN EN 12372): Mean value 5.8 Mpa (perpendicular to the plane of anisotropy)
Water absorption (according to DIN EN 13755): Mean value 6.8 % (under atmospheric pressure)
Anchor failure (according to DIN EN 13364): Mean value > 1,400 N (type IIa, d = 50 mm)
Open porosity (according to DIN EN 1936): Mean value 22.6
Frost resistance (according to DIN EN 12371): yes, scale "0" (mean value mass loss 0.01 %, after 56 freeze-thaw cycles)