Transformerboard
The industry standard,
invented by Weidmann
Transformerboard is the base material for power transformer insulation, invented by Weidmann in 1937 and now considered the best-in-class, industry standard for cellulose-based transformer insulation board.
Weidmann is still innovating and investing today, using the latest industry technology and production know-how to bring the safest, most effective, and most reliable products to market.
T4 Transformerboard High Density
Our high density T4 Transformerboard offers the highest mechanical and electrical strength for transformer insulation.
Transformerboard
Low Density
Weidmann’s low density Transformerboard is ideal for applications in power, distribution, and special transformers that require higher elasticity.
Laminated Board
Our laminated Transformerboard combines the strength of our T4 material with high-quality adhesives for increased thickness.
High Temperature Aramid Board
Under an agreement with DuPont™, our Nomex® Transformerboard provides exceptional resistance to prolonged high temperatures.
Transformerboard: Key facts and figures
Transformerboard, invented by Weidmann in 1937, is considered the industry standard
Transformerboard is of Swiss origin, renowned for quality, precision, and reliability
Transformerboard has revolutionized the base insulating materials for transformer design
