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PAINTS FOR POWER TRANSFORMERS

Q. We are interested to know the type of paint and methods of paint (powder) application for painting POWER TRANSFORMERS.

Jayaprakash G. Rao
electricals - Hyderabad, A.P., INDIA
2005

A. You have to provide desired characteristics that you are looking for, e.g., are you specifically looking at insulating properties or corrosion resistance?

Amit Amembal
- Mumbai, India
2006

A. Transformers produce a lot of heat, maybe powder wouldn't be your best coating choice.

Sheldon Taylor
supply chain electronics
Wake Forest, North Carolina
2006

Q. Mainly we are looking for exterior durability( includes corrosion also ) , the paint applied on transformer.Epoxy zinc rich type of primers and aliphatic PU or what is being used presently.

Secondly, apart from spray painting any other method of application that can coat big sized these transformers.

Thirdly presently only air drying paints are being used or is there any trend of using stoving paints also.

Internally yes temperature is very important factor. in such cases what type of paint you can recommend.

JAYAPRAKASH G. RAO
- HYDERABAD, A.P. , INDIA
2006

A. For internal finishing on Power Transformers, I would recommend a good quality tank lining paint. Made by many companies, but designed for this function. Check ypur local directories for manufacturers near to you. Apply only when the ambient conditions comply with the stated requirements of the manufacturer, especially with regards ambient temperature and dewpoint.

Peter Collett
- Northampton. United Kingdom
February 19, 2021

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