The surface of Aluminum Foil for Transformer Winding is smooth and non-marking, which can be seen in a clear mirror. The resistivity is less than or equal to 0.028. Packed in moisture-proof paper, with a paper sleeve in the middle.

Aluminum Foil for Transformer Winding has a neat and clean section, no burrs, cracked edges, edge clips, towers, loose coils, die stringing out, arrows, string layers, lifting bars, bumps and other defects, and the welding is firm.
Surface Quality of Aluminum Foil for Transformer Winding:
1. The surface of the aluminum foil is flat.
2. The surface of the aluminum foil is clean, without corrosion marks, oil marks, wrinkles, slits, scratches, light and dark lines, rubber roller marks, vibration marks, twill lines, etc.
3. There are no bright spots, roll marks, grinding wheel marks and black lines on the surface of the aluminum foil.
4. The surface of the finished aluminum foil has no yellow oil spots, oil sticking, blistering and tearing formed by the burning of lubricating oil.
The surface quality of Aluminum Foil for Transformer Winding is introduced here, I hope it can help you.