OTTOSEAL M 350 - Teaserbild


The hybrid sealant for glazing

1-component hybrid polymer STP sealant
For indoor and outdoor application
  • Can be painted over
  • Non-corrosive
  • Silicone-free
  • Durable and robust joint
Technical datasheet

Product details

Fields of application

  • Window pane sealing on wooden windows
  • Sealing of joints on windows and doors made of wood, metal and plastic
  • Sealing of pipe and antenna ducts
  • Sealing of joints on façades, metal constructions
  • Sealing of air condition and ventilation systems
  • Suitable for glazing systems with putty fronting Va1 in accordance with DIN 18545 / ÖNORM 3724


  • Does not cause corrosion on unprotected metal surfaces
  • Silicone-free
  • Can be painted and varnished – please observe application instruction in Technical Data Sheet
  • Good weathering and ageing resistance

Standards and tests

  • Tested according to EN 15651 – Part 1: F EXT-INT CC 25
  • Tested according to EN 15651 – Part 2: G CC 25 HM
  • Tested fire behaviour in accordance with EN 13501: class E
  • According to the requirements of DIN 18545, stress group A and D
  • According to the requirements of ISO 11600 G 25 HM
  • Suitable for use in ventilation systems according to VDI 6022 (Ass. Of Germ. Engineers), sheet 1 tested according to DIN EN ISO 846 (by the Institute for Hygiene Berlin, Germany)
  • French VOC-emission class A+
  • Declaration in "baubook" Austria
  • Suitable for applications according to IVD instruction sheet no. 9+12+20+24+27+29+31+32+35 (IVD = German industry association sealants)

Colours & form of delivery

300 ml cartridge
concrete grey
Units per packaging unit 12
Pieces per pallet 1152

No special colours possible.

Other units on request

Due to typographical reasons the colours shown below may differ from the original colours of the products.

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

Consumption calculator

Please note: This values are approximate and serve as a rough guide for rightangled joints. The depth of the joints is measured to the rear of the profile. Depending on the processing method, additional expenditure of up to 25% is possible.

Do you have questions about our OTTOSEAL® sealants?

Our application consultation is available Monday to Thursday from 7:00 a.m. to 4:00 p.m. and Friday from 7:00 a.m. to 1:00 p.m. and will be happy to receive your request.