Cottrell Paper Company
Specialized American manufacturer producing 100% electrical-grade cotton rag paper, kraft paper, and insulating pressboard for transformers and electrical equipment.
Product categories
Pressboard / insulation materials
Related components
Company record
| Company | Cottrell Paper Company |
|---|---|
| Role | PRIMARY_MILL_MANUFACTURER |
| Location | Rock City Falls, New York, United States |
| Accessory categories | Pressboard / insulation materials |
| Product family | Electrical Insulating Papers & Boards |
| Product / Trade names | Copaco 100% Rag Electrical Paper, Copaco-125, Calendered Insulating Paper |
| Thermal insulation class | 105°C (Class A) |
| Base thickness range | 0.075 mm – 3.175 mm (3 mil – 125 mil) |
| Technical standards | ASTM D1305, NEMA |
| Founded | 1926 |
| Primary evidence citation | Cottrell Paper official product technical datasheets |
| Source tier | TIER A |
| Provenance | Sourced — not a product certification · Source: official website · checked 10 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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