OTTOCOLL S 81 Silicone Adhesive

The 2-component silicone for “bonded windows”

2-component silicone adhesive and sealant on alkoxy basis condensation curing
For indoor and outdoor application

  • Compatible with many insulating glass edge compound materials – see compatibility list on website
  • Suitable for processing insulating glass panes

  • Compatible with PVB sheets according to ift guideline DI-02/1
  • Suitable for processing VSG

  • Very good adhesion on many substrates even without primer
  • Often primerless processing possible, see primer table in technical data sheet

  • Low odor
  • Convenient processing

  • Fast curing even in thick layers
  • Fast further processing

  • Reliable curing in a defined period of time
  • Predictable handling and functional strength

  • High elongation stress value
  • High stability of the adhesion

  • High resistance to notches, tension and tearing
  • Resistant to high mechanical stresses

  • Excellent weathering, ageing and UV-resistance
  • For long-lasting indoor and outdoor applications

Fields of Application
  • Bonding and sealing of windows – direct glazing – bonding of insulated glass units in the window casements (PVC, wood, aluminium) – please note compatibility list
  • Bonding and sealing of glass elements (e. g. partitioning walls)
  • Suitable for the production of windows reaching standard RC 2 or RC 3 according to DIN V ENV 1627
Standards and Tests
  • Tested according to RAL GZ 716/1, paragraph III, part A, 3.5 and ift-guideline VE-08/1, part 1, adhesion behaviour on PVC, overlap adhesion on position 1
  • Tested according to RAL GZ 716/1, paragraph III, part A, 3.5.4, floating roller peel test to determine the adhesion strength in rebate bondings
  • Tested acording to ift-guideline VE-08/1, part 1, adhesion behaviour on wood, overlap adhesion on position 1
  • Qualified commentary by the eph Dresden, Germany on the execution of glas- connecting systems in burglary prooved wooden windows of the resistance class RC 2, rebate bonding in combination with bonding of the glass stemming profile
  • Classification according to building certification systems, see the sustainability data sheet
Product Color Options

For technical reasons, the colors shown may differ from the original colors of the products. For an exact color representation, please contact us to request the original color samples.



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