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Technical Datasheet
Safety Datasheet


Very low emission, calcium sulphate based smoothing and levelling compound especially suitable for all calcium sulphate based subfloors as well as mastic asphalt screeds according to EN 13 813. Also for interior use on cementitious subfloors. After adding 6.0 l water for 25.0 kg powder, SCHÖNOX XA is ready for use.


  • EMICODE EC 1PLUS: very low emission
  • For interior use
  • Self-levelling
  • High level of hardness and strength
  • Very smooth application
  • Suitable for application on subfloor heating systems
  • Synthetic resin-modified
  • Layer-thickness 1,0 to 10 mm without aggregates
  • Layer-thickness 10 to 30 mm with aggregates
  • Short waiting time after priming
  • Pumpable
  • Low tension/stress
  • Free of cracks even in thicker layers
  • Suitable for castor wheels loading with layer-thickness more than 2,0 mm according to EN 12 529


  • Pot life: approx. 30 minutes at 18 °C
  • Ready for foot traffic: after approx. 3 hours
    Ready for covering: up to 3 mm after approx. 48 hours, residual-moisture d 0,5 CM-% or higher layer thickness the residual moisture should be tested with CM-apparatus (testing ana-logue to gypsum screeds).