420 Kachelofen

Acrylic sealant
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Product information and downloads

The right joint filling compound for domestic stoves

A tiled stove is truly a feature that can turn a house into a home. The sealants used on these masonry heaters have to overcome a number of challenges. Due to the heat that is generated inside, they must be particularly resistant to high temperatures. One product that has been specially developed for these conditions is our 420 Kachelofen. The plasto-elastic, acrylic-based joint sealant can withstand temperatures of up to 180°C and is compatible with natural stone. Thanks to its odourless and low-emitting properties, it is a safe bet for indoor use. Plus, the sealant comes ready-to-use, making it much easier to apply. 

Easy and effective application
Available in many different colours (including custom options)
Heatproof up to 180°C
Does not cause corrosion on metals

Properties

  • Paint-compatible
  • Vapour diffusion-retardant
  • Can be covered with paint coats
  • Fills gaps
  • Wide variety of colours
  • Silicone-free
  • Heat and fire-resistant
  • Elastic
  • Solvent-free
  • No staining around the edges
  • Low-emitting
  • Odourless
  • Compatible with natural stone

Technical data

Colours
according to current colour chart
Sag resistance
<3
Curing time
~2 mm/24 hours (at +23°C / 50 % relative humidity)
Basis
Acrylate dispersion
Density
~ 1,54 (EN ISO 1183-1)
Temperature resistance
-20°C bis +180°C
Skin over time
~ 5 min. (23°C/50 % relative humidity)
Shrinkage
~ 18% (EN ISO 10563)
Processing temperature (substrate, environment)
+5°C bis 35°C
Elongation at break
~ 31% (EN ISO 8339)
Shore hardness
~ 40 (DIN 53505)
Packaging
310ml cartridges
Storage life
18 months in a cool and dry place, protect from frost

Applications

Main applications

Illustration Anschlussfugen eines Fliesenbodens
Sealing perimeter joints in interior spaces
A low emitting sealant compatible with a wide range of materials can be used for lightly loaded joints in interior spaces.
Repairing cracks in wooden parts
Sealants with a matte surface that are compatible with a wide range of materials are suitable for sealing joints wooden parts.
Sealing ceramic stove tiles
Sealants for tiled ceramic stoves should be heat-resistant and compatible with natural stone.
Custom colours
Need sealants in your own custom colour?
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How-tos
Silicone, acrylic or hybrid – how do I choose the right sealant?
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