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codex Stone SX 20 Trass is a versatile, polymer-modified laying mortar for use in the centre-bed method. The addition of a proportion of trass reduces the tendency to efflorescence and discolouration.
codex SX 20 Trass is particularly suitable for laying natural and concrete stone.
For laying discolouration-resistant natural and concrete stone slabs as well as flooring with greater thickness tolerances or strongly profiled reverse sides.
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+ 5 to + 25 °C
+ 10 to + 25 °C
5.5 - 6 litres/ 25 kg
approx. 4 hours*
after approx. 24 hours*
after approx. 3 days*
after approx. 28 days*
3.2 - 5.9 kg/m²
*At 23 °C and 50 % humidity.
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