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Electrical Insulating Coating

Our non-chrome one-component insulating coatings for electrical steel provide excellent corrosion protection, a good abrasion resistance and high electrical resistance. The Gardo® Protect EC Hydro technology meets the non-grain oriented steel C3/C5 requirements.

With Gardo® Protect EC Hydro Chemetall has developed high-performing VOC-free and non-chrome insulating coatings for electrical steel. Designed to meet the non-grain oriented steel C3/C5 requirements, our one-component products provide excellent corrosion protection properties, a good abrasion resistance and high electrical resistance.

 

Chrome-free insulating coatings for electrical steel

Electrical steel is a speciality steel which has excellent magnetic properties, high permeability and a small hysteresis area. The material is usually manufactured in the form of cold-rolled strips less than two millimeter thickness. These strips are stacked together and form the laminated core of transformers or the stator and rotor part of electric motors. Laminations are cut to their finished shape by a punch and die. Our Gardo® Protect insulating technologies offer excellent adhesion during this process.

 

Our technology portfolio:

• Gardo® Protect EC Hydro

 

Industries we serve:

• Electrical steel applications, such as transformers or the stator and rotor part of electric motors

 

  • Water-based (upon request solvent-based)
  • High corrosion protection, good abrasion resistance
  • Annealing resistance (Gardo® Protect EC Hydro 500)
  • Excellent adhesion during punching

 
 

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