Many high-quality dry type transformer insulation materials supplied by Sui On Insulating play a vital role in improving safety and electrical performance. As experienced transformer insulation material supplier, we help reduce dielectric losses while supporting more compact and efficient transformer designs.
Our solutions enhance harmonic load resistance, standby capability, and overall reliability. High-grade transformer insulation provides excellent thermal stability and moisture resistance, significantly extending service life and ensuring stable operation in demanding electrical environments.

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Application areas |
Recommended Transformer Insulation Materials |
| Conductor wrapping | NOMEX®、 KAPTON®、 MYLAR special film®、 MIKI Cable Paper |
| Layer insulation | SOFLEX®、 MYLAR special film®、 DuPont Teijin TEONEX®、 DuPont NOMEX®、 prepregs |
| Core insulation, high and low voltage barrier (insulation cylinder) | Insulating material in transformer applications: Nomex®, Roechling Durostone® |
| Support/gasket | DuPont NOMEX® 993/994, Roechling FHT |
| fastener | Roechling Durostone® |
| lead wire | RELATS Insulation Sleeve, Wrinkle Paper |
| Varnish | Axalta Voltatex® impregnating varnish |