Dimensions: 30x30, 30x60, 60x60, 60x90 cm Thickness: 2.5 - 4 cm Weight: about 80 kg/m2 Flexural strength: 42 N / mm 2 (MPa) Compressive strength: 198 N / mm 2 (MPa) Hardness: 6.5 - 7 on the Mohs scale Density: 2600 kg/m3 Water absorption: 0.78% Resistance to biological effects: resistant to acid or salt Resistance to frost: checked during the 25-cyklowego test: resistance
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