Röchling Industrial (Lignostone)
World leader in densified laminated wood (Lignostone Transformerwood) engineered specifically to withstand the extreme mechanical short-circuit forces in power transformer core clamping.
Product categories
Laminated wood / insulation wood Pressboard / insulation materials
Related components
Company record
| Company | Röchling Industrial (Lignostone) |
|---|---|
| Role | PRIMARY_MILL_MANUFACTURER |
| Location | Haren, Lower Saxony, Germany |
| Accessory categories | Laminated wood / insulation wood, Pressboard / insulation materials |
| Product family | Lignostone Transformerwood Laminated Densified Wood |
| Product / Trade names | Lignostone Transformerwood KP 2012, KP 2014, KP 2016, Clamping Rings, Beams |
| Thermal insulation class | 105°C (Class A) & 120°C (Class E) |
| Density | 1.15 – 1.35 g/cm³ |
| Documented grades | IEC 61061 Type KP 20110, KP 20210, DIN 7707 |
| Thickness / dimensions | Plates up to 140 mm (machined components to drawing) |
| Technical standards | IEC 61061, DIN 7707 |
| Founded | 1822 |
| Primary evidence citation | Röchling Industrial Lignostone engineering handbook & type approvals |
| Source tier | TIER A |
| Provenance | Sourced — not a product certification · Source: official website · checked 10 Sept 2026 |
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