131 Multiflex

Neutral – oxime
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Clean joints between windows and masonry

131 Multiflex is an odourless silicone sealant for assembling windows and doors. Thanks to its compatibility with a wide range of materials, it is ideal for sealing tempered glass, laminated safety glass and insulating glass in wood, metal and plastic frames, so it can even be used to joint safety glazing designed to prevent falls. 131 Multiflex is also suitable for outdoor use, as it does not suffer any mechanical damage from heavy UV radiation, temperature swings or moisture. The silicone does not damage mirror coatings and can also be used on ceramic finishes. Thanks to its ultra-elasticity, stronger mechanical stress and strain pose no problem. Whether in interior or exterior applications, the silicone maintains a strong hold – even without primer. 

Extra UV-resistant and weather-proof
Low emissions during the curing phase
Highly effective at absorbing motion thanks to elastic properties
Compatible with a very wide range of materials

Properties

  • UV-resistant
  • Suitable for use in food industry
  • Resistant to ageing
  • Compatible with a wide range of materials
  • Compatible with PVB film
  • Low-emitting
  • Odourless
  • Paint-compatible
  • Maximum movement accommodation: 25%
  • Fast-curing
  • elastic

Standards

  • for food areas
  • DIN EN ISO 15651-1 F25LM Ext.-Int.
  • DIN EN ISO 15651-2 G25LM
  • DIN EN ISO 15651-4 PW20LM Ext.-Int.
  • DIN EN ISO 11600 G25LM
  • DIN 18545-2 | Gruppe E
  • DIN 18540-1
  • German Sustainable Building Council (DGNB)
  • LEED approved

Technical data

Tear strength
~ 3.78 N/mm (ISO 34-1)
Curing time
~1.8 mm/24 hours (at +23°C / 50 % relative humidity)
Basis
Neutrally cross-linking alkoxy System
Elongation at break
~ 220% (EN ISO 8339)
Temperature resistance
- 50°C to +150°C
Movement capability
approx. 25%
Shrinkage
~ 7.5% (EN ISO 10563)
Shore hardness
~ 12 (EN ISO 868)
Processing temperature (substrate, environment)
+5° C to + 35°C
Storage life
12 months in a cool and dry place
Modulus
~ 0.28 N/mm² (EN ISO 8339)
Skin over time
~ 4 min. (23°C/50 % relative humidity)
Density
~ 1,01 (EN ISO 1183-1)
Stress at break
~ 0.40 N/mm² (EN ISO 8339)

Applications

Main applications

Window seals
Weather-proof, easy-to-shape sealants provide attractive and functional joints for the long term.
Building and connection joint
Sealing shop windows
A crystal-clear sealant ensures ideal visually appealing results.
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How-tos
Silicone, acrylic or hybrid – how do I choose the right sealant?
Discover more
Contact
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Portrait Aron Wörther Ramsauer