TW40 potable water mortar

potable water mortar, in accordance with the worksheets W270, W300 and W347 of the DVGW

  • suitable for vertical or horizontal surfaces
  • taking into consideration other potential aggressive components, calcite solubilities up to 20 mg/l are harmless
  • satisfies recommendations for potable water uses in accordance with the Federal Environmental Office (directive KTW)
  • granularity: 0-4 mm
  • layer thickness: 20-40 mm
  • consumption: 1,90 kg/(m²⋅mm)
  • processing time at 20°C (68 °F): about 30 min
  • pressure resistance after 28 d: ≥ 60 N/mm²
CE marking


  • regarding microbiology, suitable for purposes related with potable water
  • neither facilitates microbial growth, nor has it bactericidal or fungicide properties
  • microsilica / silica fume additives
  • suitable for vertical or horizontal surfaces
  • suitable for dense-flow wet-spraying process
  • least possible rebound and almost dust-free when using the MAWO-nozzle in the dense-flow wet-spraying process

fields of application

  • Coating of wall and floor surfaces in potable water areas and in water treatment plants
  • Repairing of concrete, plaster, screeds
  • potable water tanks, pipes
  • coatings in the food sector