Common sprayed insulation layers, for example made of Al₂O₃, ZrO₂ or Cr₂O₃, are microporous and often hygroscopic. This means they can absorb moisture, which can impair the electrical insulation effect. A suitable sealer in accordance with DIN EN ISO 14924 can help and can even improve the insulation properties.
We offer highly effective sealants with tested proof of function for the electrical insulation of thermally sprayed coatings.
dichtol sealant for electrical insulation in series production of electric motors
Fig. 1 – dichtol sealing of a bearing seat of the drive shaft for electrical insulation
Fig. 2 – Insulation values of the Schicht-Siegler system measured on a real component. Red line = customer requirement.
As part of a product development project, we have developed a sealant with electrical insulation properties for our customer Plasmatic Franken GmbH. In combination with the spray coating, the sealant provides electrical insulation of 10 GW at a voltage (DC) of 1,000V. Following successful pre-series production, Plasmatic is now using the sealant for hundreds of components in series production. Are you also looking for a reliable solution for the electrical insulation of your spray coating?
Our products are as diverse and unique as your spray coatings. For optimum function and maximum benefit, it is important in most cases to adapt the sealer to the spray coating and the subsequent application. We have specialized in the development and adaptation of sealers for thermal spray coatings. Talk to us, we are sure to find a suitable solution.
The all-rounder: 1-component silicone sealer with up to 98 % solids and heat-resistant up to 500°C. dichtol HTR HS can be thinned and can therefore be optimized in terms of penetration behavior and insulation effect.
For high temperatures up to 500°C – Solvent-based silicone sealant for corrosion protection applications at elevated temperatures. Heat-resistant, and provides long-lasting protection against oxidation and environmental influences.
The specialist – epoxy resin sealer with maximum solids without VOC. Very low viscosity EP resin with excellent penetration behavior, very high corrosion protection and good resistance to chemicals.
No problem! Our expert Carsten Kunde will be happy to help you find the perfect solution for your requirements.
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