https://www.frontale.de/en/ausstellerprodukte/fenst20/product-10276350/ottocoll-r-s-81-the-2-component-silicone-for-bonded-windows

OTTOCOLL® S 81 Characteristics

Neutral, condensation-curing 2-component silicone adhesive and sealant based on alkoxy
Excellent weathering, ageing and UV-resistance
High notch and tear resistance guarantees the high stability of the bond
Excellent adhesion on many substrates, partly in combination with primer
Non-corrosive
Fast curing even in thick layers
Low odour
Compatible with PVB-foils according to the criteria of the ift-guideline DI-02/1
Good compatibility with many insulated glass edge seal materials – see Compatibility List on our website

OTTOCOLL® S 81 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

OTTOCOLL® S 81 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

The Hermann Otto GmbH was started in 1881 when Mr Hermann Otto founded a factory for putty in Berlin, Germany. Since then the company has developed into an efficient, modern business producing adhesives and sealants for the building sector as well as for industrial applications.

Situated in Fridolfing in the southeast of Germany, the Hermann Otto GmbH, also known as
OTTO – CHEMIE, acts as independent and autonomous medium-sized company with
275 employees, effecting the entire manufacturing and administration on-site.

OTTO – CHEMIE offers a wide range of high-performance specialty adhesives and sealants for professionals; the products are not found in the DIY sector.
Our partners in trade are specialty dealers. They and the industrial manufacturers benefit from our knowledge, our technical skills and our delivery service which is offered on request.

OTTO-CHEMIE is certified according to the DIN EN ISO 9001:1994 standard since 1996. The environmental certification, according to DIN EN ISO 14001:1996, was passed in the year 2002. Many of our products have been tested and certified according to German and international standards.