Ettringer tuff has a light beige to brownish primary colour and because of its numerous, different coloured inclusions has a more lively effect than Weiberner tuff. It also has a higher pressure resistance.
Ettringer tuff
Gross density: 1.4 bis 1.6 g / cm³
Pressure resistance: 23 N / mm²
Bending tensile strength: 1 N / mm²
Breaking load at anchor hole: 297 N (for 4.8 cm thickness)
Absorption of water: 15.7 vol.-%
frost-proof: yes