How to achieve the environmental protection characteristics of electrical steel insulation coating, and what materials are used?
How to achieve the environmental protection characteristics of electrical steel insulation coating, and what materials are used?
The environmental protection characteristics of electrical steel insulation coating are mainly achieved through the use of environmentally friendly materials and processes. Specific use of environmentally friendly materials include:
1. ** Phosphate coating ** : dihydrogen phosphate salt, metal oxide, silica sol, etc., these components together constitute the basis of phosphate coating, of which aluminum dihydrogen phosphate is an important material to form an insulating layer, with good adhesion and corrosion resistance.
2. ** Silane coupling agent ** : as an additive added to the coating, through the dehydration condensation model and the interaction between inorganic substances, improve the corrosion resistance and adhesion of the coating.
3. ** rare earth passivator ** : added to the coating to form a composite film, fill the holes on the coating, and improve the uniformity and corrosion resistance of the coating.
4. ** phenyl-acrylic emulsion ** : added as an organic component to improve the corrosion resistance of the coating and reduce the impact and wear of the electrical steel sheet on the machine.
5. ** Water-based coating ** : Some companies use water-based coatings instead of solvent-based coatings, reducing the use of toxic solvents, thereby reducing the environmental impact in the production process.
The selection and application of these materials make the electrical steel insulation coating not only provide good insulation performance, but also meet the environmental requirements and reduce the harm to the environment and human health. With the development of technology and the improvement of environmental awareness, the environmentally friendly electrical steel insulation coating without chromium and harmful substances will be more widely used and promoted.
