Under-corrosion can damage spray coatings and lead to flaking. A good sealer protects the thermal spray coating from corrosion damage. Find out more about our solution for corrosion protection of thermal spray coatings.
Insulation layers made of Al2O3 or Cr2O3 are microporous and partly hygroscopic. The electrical insulation of the layer can be impaired if moisture is trapped in the pores. Our sealants ensure the insulation properties and protect the layer from corrosion.
Non-stick properties are required in a wide range of applications. The right sealer protects the thermal spray coating and creates a repellent boundary layer that prevents particles, liquids and other substances from adhering. Find out more about our portfolio of non-stick sealers.
Further case studies
At temperatures between 300 °C and 1,500 °C, we speak of high-temperature applications. Even under these operating conditions, the sealant must guarantee protection of the thermal spray coating. Our high-temperature-resistant sealers are suitable for continuous use.
Gas-tight spray coatings for hydraulic and pneumatic applications
Spray coatings for hydraulic and pneumatic applications must be gas-tight to prevent pressure losses and the leakage of hydraulic fluid. A suitable sealer can permanently and reliably seal the micropores in the spray coatings.
Improved friction and sliding properties with sealants
The static and dynamic friction properties of thermally sprayed coatings can be reduced by using suitable sealants. As a result, the mechanical machinability of the spray coating can also be improved.
How deep does the sealer penetrate into the spray coating?
We have been dealing with this question for over 10 years. To answer this question, we have developed our own test, which allows us to verify not only the penetration depth but also the impermeability of the coating. We would also be happy to test your coating and optimize our sealer to your requirements.
Individual development and customization of sealers
Get the most out of your spray coating and the sealing process. As a specialist in sealers, we help you to find the right sealer with a deep effect and to set up a process that saves time and money.
No problem! Our expert Carsten Kunde will be happy to help you find the perfect solution for your requirements.
On our website you will find a selection of products that we use for sealing thermal spray coatings. In addition to this public selection, we also have a very large portfolio of special sealants. Please contact us, we will be happy to help you choose the right sealer.
Yes, we have created a Siegler selection guide for better orientation.
We will be happy to send you this selection guide.
Our high-temperature sealers offer a permanent temperature resistance of up to 1,000°C / 1832 °F. With special additives, this limit can be sifted up to 1,500 °C or 2732 °F. We will be happy to provide you with further details in a personal consultation.
The penetration behavior of the sealer in a spray coating depends on many parameters and cannot be specified in general terms. Tests must be carried out to determine the penetration behavior. We are not only interested in the penetration depth, but rather the depth to which the sealer seals the spray coating. To determine this, we have developed our own test, the DIAMANT penetration depth function test. With this test, we can reliably check the function of the sealer and adapt the sealer to the coating. We will be happy to present the penetration depth function test to you in detail in a personal consultation.
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