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IndustryABOUT OTTO

We are at the Polyclose 2026

The Polyclose will take place from the 14th to 16th of January in Ghent, Belgium. You will find us at the Booth number 1545. We look forward to your visit.

We create

Under the motto "We create", we would like to introduce you to this year's focus and key topics.

We create … perfectly bonded windows

For longer-lasting, more sustainable and higer-quality windows and doors 

Advantages for you:

  • Increased security – burglary protection up to RC4
  • Easy to install and maintain - robust and lightweight designs
  • More light, warmth and design - narrower frames thanks to load transfer

Our products for the perfectly bonded windows

OTTOCOLL® S 81

The premium 2-component silicone for bonded windows
  • Safe application
  • Fast curing
  • High strength
  • Insulating and laminated safety glass
Technical datasheet

OTTOCOLL® S 88

The 1-component silicone for bonded windows
  • Static window bonding
  • Low odour
  • High strength
  • Insulating and laminated safety glass
Technical datasheet

OTTOCOLL® S 670

The premium 2-component silicone for bonded windows with increased reinforcement
  • Rapid application
  • Fast curing
  • Very high strength
  • Insulating and laminated safety glass
Technical datasheet

We create … perfectly sealed windows

Sealants perfectly matched to your window

Advantages for you:

  • Widest range of glossy and matt colours
  • Simple and proven application - streak-free and abrasion-resistant joints
  • Excelent resistance to weather, aging and UV exposure

The perfect sealing of window panes


Here you will find everything you need to know about perfect sealing od window panes. We cover the following areas of application:

  • Sealing wooden window sashes
  • Sealing wood-aluminum window sashes
  • Sealing metal window sashes
  • Glazing bead filler for wooden windows and wooden-aluminum windows

Our products for the perfectly sealed windows

OTTOSEAL® S 110

The premium construction silicone
  • High wear resistance
  • Very good adhesion on many substrates
  • Excellent early resistance to stress
  • Non-corrosive
Technical datasheet

OTTOSEAL® S 120

The premium glazing silicone
  • Streak-free and abrasion-resistant
  • Resistant to stress at an early stage
  • Laminated safety glass
  • Very long-lasting joint
Technical datasheet

We create ... Universal solutions

One product for various applications for windows, doors, and facades

OTTOSEAL® M 360

The hybrid sealant for building joints
  • Can be painted over
  • Silicone-free
  • Durable and robust joint
  • RAL assembly
Technical datasheet

OTTOSEAL® M 361

The structure-hybrid sealant for building joints
  • Structured look
  • Can be painted over
  • Silicone-free
  • RAL assembly
Technical datasheet

OTTOCOLL® M 550 HiTack

The hybrid adhesive with extremely high initial adhesion
  • Extremely high inital adhesion
  • Compatible with natural stone
  • Elastic bondings
  • Bonding to damp surfaces
Technical datasheet

KOMO® certified products

Proven quality for your safety

OTTOSEAL® S 120

The premium glazing silicone
  • Streak-free and abrasion-resistant
  • Resistant to stress at an early stage
  • Laminated safety glass
  • Very long-lasting joint
Technical datasheet

OTTOCOLL® S 81

The premium 2-component silicone for bonded windows
  • Safe application
  • Fast curing
  • High strength
  • Insulating and laminated safety glass
Technical datasheet

OTTO-CHEMIE

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Contact

Hermann Otto GmbH
Krankenhausstr. 14
D – 83413 Fridolfing
GERMANY

Quality creates cohesion

Do you have questions?

+49 8684 908 0

Central Mon. - Thur. 7:00 am - 4:00 pm and Fri. 7:00 am - 1:00 pm

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