Trafoboard®

The experience of one century

For almost one century Röchling Engineering Plastics KG has been manufacturing the insulation material Lignostone®Transformerwood® for use in high-voltage transformers. This outstanding material enjoys an excellent reputation within the international transformer industry.

With Trafoboard® Röchling now completes their range of insulation materials to a high-quality laminated pressboard for insulation components in oil-filled high-voltage transformers.
Trafoboard represents a high level of quality, excellent electrical and mechanical properties, high chemical purity and close tolerances.

Trafoboard® steht für ein hohes Qualitätsniveau, hervorragende elektrische und mechanische Eigenschaften, hohe chemische Reinheit und enge Toleranzen.

Two types

Trafoboard® has a density of 1.15 –1.35 g/cm³ and consists of highly densified pressboard layers made of pure cellulose according to IEC 60641, which are bonded permanently by
means of glue. Trafoboard is offered in two types:

• Trafoboard® HD-PG:
  Polyester glued
  according to IEC 60763 type LB 3.1.2
  
  
• Trafoboard® HD-PH:
  Phenolic glued
  according to IEC 60763 type LB 3.1.2

Specialist for machined components

The production of CNC machined components with close tolerances as per customers’ drawings is our strength. We utilize versatile modern CNC special and automatic machines.

Dimensions for machined components

• Trafoboard® HD-PG:
  2.050 x 1.050 mm x 10…120 mm
  
  
• Trafoboard® HD-PH:
  4.150 x 2.150 mm x 10…120 mm

Components thicker than 120 mm on request