OTTOCOLL® S 645_490 ml side-by-side Kartusche_Teaserbild


The premium 2-component silicone for structural glazing

Neutral, condensation-curing 2-component silicone adhesive and sealant based on alkoxy
For indoor and outdoor application
  • ETA tested
  • Safe and durable bonding
  • High strength
  • Insulating and laminated safety glass
Technical datasheet

Product details

Fields of application

  • Elastic bonding and sealing of various materials, e. g. glass, wood, metal and plastics
  • Bonding of structural glazing units
  • For adhesive bonding subject to building supervision approval
  • Bonding and sealing of glass elements (e.g. partition walls, all-glass corners, glass parapets)


  • Excellent weathering, ageing and UV-resistance
  • For long-lasting indoor and outdoor applications
  • High resistance to notches, tension and tearing
  • Resistant to high mechanical stresses
  • Very good adhesion on many substrates
  • Ensures a durable and secure bond
  • Non-corrosive
  • Does not cause corrosion on unprotected metal surfaces
  • High elongation stress value
  • High stability of the adhesion
  • Fast curing even in thick layers
  • Fast further processing
  • Low odour
  • Convenient processing
  • Design values available for the structural engineer

Standards and tests

  • Tested according to ETAG 002
  • European Technical Assessment ETA-19/0692
  • CE marked
  • Tested fire behaviour in accordance with EN 13501: class E
  • Certified according to SNJF-VEC

Colours & form of delivery

490 ml side-by-side plastic cartridge 20 l hobbock (component A) 200 l Drum (component A) 20 l hobbock (component B)
S645-2375-43-C04 on request on request on request
Units per packaging unit 9/Box incl. 9 static mixing nozzles* 1 1 1
Pieces per pallet 540 16 2 16

*OTTO Static mixing nozzle MFQX 10-24T

Other packagings and colours on request

Due to typographical reasons the colours shown below may differ from the original colours of the products. For an exact colour display please request our original colour charts.

Products, packaging Units and/or colours bearing order codes are available ex warehouse in standard commercial quantities.

More information

Do you have questions about our OTTOCOLL® adhesives?

Our application consultation is available Monday to Thursday from 8:00 a.m. to 4:00 p.m. and Friday from 8:00 a.m. to 2:00 p.m. and will be happy to receive your request.