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Ottoseal M360 hybrid sealant paintable white 310ml

Description

Ottoseal M360 is a 1K sealant based on hybrid polymer STPU. Ottoseal M360 hybrid sealant cures bubble-free. The inexpensive Ottoseal M360 hybrid sealant is particularly suitable for sealing joints on facades, terraces and balconies, metal constructions, expansion and connection joints on precast concrete and aerated concrete elements. Ottoseal M360 hybrid sealant is also used for bonding OTTO building connection tapes BAB/I and BAB/A to masonry, concrete, aerated concrete etc.

  • 1K sealant based on STPU hybrid polymer
  • Paint-compatible according to DIN 52452
  • Good weather and ageing resistance
  • Cures without bubbles
  • Low odour
  • Free of isocyanates
  • Silicone-free

Areas of application:

  • External wall joints according to DIN 18540-F
  • Sealing joints on facades, metal constructions, terraces and balconies
  • Expansion and connection joints on precast concrete and aerated concrete elements
  • Bonding OTTO building connection tapes BAB/I and BAB/A to masonry, concrete, aerated concrete etc.

Pre-treatment:

Preparing the bonding surfaces. Compatibility: paints, varnishes, plastics and other coating materials must be compatible with the adhesive / sealant.

Cleaning: The bonding surfaces must be cleaned and any contamination, such as release agents, preservatives, grease, oil, dust, water, old adhesives / sealants and other substances that impair adhesion, must be removed.

Substrates: cleaner for non-porous. Cleaning should be done with OTTO Cleaner T , or other acetone- or isopropanol-based cleaners and with a clean, lint-free cloth. Cleaner for porous substrates: porous surfaces must be cleaned of loose particles mechanically, e.g. with a steel brush or a grinding disc.

Application:

Application temperature: +5ºC to +35ºC.
Application method: Apply with manual caulking gun, compressed-air gun or cordless gun.
Cleaning: With cleaner before curing, afterwards removable with silicone remover or mechanically.
Smoothing: With  smoothing agent and scraper  before skin formation.  

Storage:

The specific use-by date can be found printed on the container and must be observed. We recommend storing Otto Chemie adhesives and sealants in the unopened original containers dry (< 60 % RH) in a temperature range of + 15° C to + 25° C. If the products are stored and/or transported for longer periods (several weeks) at higher temperature/humidity, a reduction in shelf life or a change in material properties cannot be ruled out.

Supplied as: 

310ml cartridge  (20 cartridges per carton)


Technical data

Material: Hybrid polymer
Version
Colour: white
Technical data
Product group: MS polymer & hybrid sealants
Standards
Standard: DIN 52452
Application
Cleaning: The bonding surfaces must be cleaned and any contamination
What's included
Supplied as: 310 ml cartridge (20 cartridges per box)
Storage
Storage: The actual use-by date is printed on the pack and must be observed

Data sheets

Manufacturer information

Manufacturer information pursuant to Art. 19 EU GPSR

Postal address Hermann Otto GmbH
Krankenhausstr. 14
83413 Fridolfing
Germany

Electronic address info@otto-chemie.de

All products by OTTO Chemie

Information as of: 2026-09-17

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For your project

These products go with it

Project: Expansion and connection joints on the façade

Clean the joint flanks mechanically, prime porous flanks and insert a closed-cell backing cord so that the joint becomes about twice as wide as deep. Then apply the permanently elastic sealant, smooth it and pull off the masking tape immediately.

  1. Prepare the surface

  2. Tools & accessories

  3. Finish & care

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