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Exhaust assembly paste

Exhaust assembly paste

Art.-no. 0890100045

Prices for customers after login

Exhaust assembly paste

Art.-no. 0890100045

Prices for customers after login



x1 pcs

Exclusively for trade customers

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Soft compound for quick, easy and completely gas-tight assembly of sleeve (pipe plug) and flange connectors in exhaust systems.
  • No complicated welding required

  • Becomes as hard as metal due to the heat from the exhaust

  • Temperature resistant up to approx. 800°C

  • Seals off permanently

  • Resistant to impacts and vibration

  • Not susceptible to rust — hence easy to dismantle

The usage instructions are recommendations based on the tests we have conducted and our experience; carry out your own tests before each application. Due to the large number of applications and storage and processing conditions, we do not assume any liability for a specific application result. Insofar as our free customer service provides technical information or acts as an advisory service, no responsibility is assumed by this service except where the advice or information given falls within the scope of our specified, contractually agreed service or the advisor was acting deliberately. We guarantee consistent quality of our products. We reserve the right to make technical changes and further develop products.

Product information

Würth Catalogue(X)

Catalogue page as PDF 1


Safety data sheet


Application area

Ideally suited for installing or replacing exhaust components and for sealing connection points.


Before use, remove loose rust and grease. Then apply the assembly paste to the plug connections, assemble the exhaust components and secure.

Weight of content

140 g





Chemical basis

Sodium silicate

Shelf life from production

12 Month

Max. temperature resistance

800 °C


1.71 g/cm³

Density conditions

at 20°C

Suitable glove:

Nitrile chemical protective glove
Nitrile chemical protective glove
Permeation level: 6
Cotton velour lining
Nitrile chemical protective glove, heavy-duty
Nitrile chemical protective glove, heavy-duty
Permeation level: 6
Long, heavy-duty design
Disposable nitrile glove, extra strong
Disposable nitrile glove, extra strong
Permeation level: 1
Hard-wearing disposable gloves with excellent chemical protection
Permeation is the process by which a chemical moves through the material of a protective glove on a molecular level. The time from the initial contact between the chemical and the glove to the permeation of the material is the breakthrough time.
Measured breakthrough time
Permeation level
< 10 min
≥ 10 min
≥ 30 min
≥ 60 min
≥ 120 min
≥ 240 min
≥ 480 min

Important information:

The information given is based on experience and laboratory conditions and is designed as a guide. However, the actual suitability of a glove depends on the individual conditions of its use and must be confirmed by an appropriate test under operational conditions. Given the variety of materials and chemicals used, the possibility of incompatibility or usage problems for the wearer cannot be excluded in individual cases. We would be happy to advise you about optimum solutions.

Art.-no. Cust. Mat. No.

Hazardous Material

Product information

Würth Catalogue

Catalogue page as PDF  | 


Datasheets ()

CAD data  | 




Technical information