Permali Gloucester Ltd

Country United KingdomState GloucestershireCity GloucesterOfficial website ↗

Pioneering manufacturer of densified laminated wood insulation materials, engineered high-strength transformer pressure rings, shield rings, and coil support assemblies.

Product categories

Laminated wood / insulation wood Pressboard / insulation materials

Related components

Insulation Materials

Company record

CompanyPermali Gloucester Ltd (Diamorph Group)
RolePRIMARY_MILL_MANUFACTURER
LocationGloucester, Gloucestershire, United Kingdom
Accessory categoriesLaminated wood / insulation wood, Pressboard / insulation materials
Product familyDensified Laminated Wood & High-Voltage Composite Structural Components
Product / Trade namesPermali Transformer Wood, Insulating Fasteners, Clamping Plates
Density1.15 – 1.30 g/cm³
Documented gradesIEC 61061, BS 5618
Thickness / dimensions10 - 150 mm
Technical standardsBS EN 61061, ISO 9001
Founded1937
Primary evidence citationPermali Gloucester official technical product documentation
Source tierTIER A
ProvenanceSourced — not a product certification · Source: official website · checked 14 Sept 2026

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