Ahlstrom-Munksjö
Global specialty fiber-based materials developer producing high-grade unbleached Kraft electrical insulating papers, creped papers, and thermally upgraded papers for transformer winding insulation.
Product categories
Pressboard / insulation materials DDP / DPE (densified pressboard)
Related components
Company record
| Company | Ahlstrom-Munksjö |
|---|---|
| Role | PRIMARY_MILL_MANUFACTURER |
| Location | Helsinki, Uusimaa, Finland |
| Accessory categories | Pressboard / insulation materials, DDP / DPE (densified pressboard) |
| Product family | Electrical Grade Unbleached Kraft Paper & Creped Insulating Paper |
| Product / Trade names | Ahlstrom Transformer Kraft Paper, Crepe Paper, Thermally Upgraded Kraft |
| Thermal insulation class | 105°C (Class A) & 120°C (Class E Thermally Upgraded) |
| Base thickness range | 0.05 mm – 0.25 mm |
| Technical standards | IEC 60554-3-5, ASTM D1305, IEC 60641 |
| Founded | 1851 |
| Primary evidence citation | Ahlstrom corporate technical datasheets |
| Source tier | TIER A |
| Provenance | Verified · Source: official website · checked 13 Sept 2026 |
Directory entries are informational supplier listings and do not imply verification, endorsement or commercial affiliation. Verification reflects a website check on the date recorded; always carry out your own due diligence before a commercial decision.
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