A pioneer in recognizing the electrical insulation properties of cellulose materials, WEIDMANN WHITELEY LIMITED started marketing its range of insulating presspapers 90 years ago.


WEIDMANN Whiteley’s Diamond Dot printed electrical insulation products have a pre-eminent reputation with leading transformer manufacturers around the world and are used in distribution transformers.


Today, WEIDMANN WHITELEY LIMITED prints electrical insulation papers manufactured by a WEIDMANN sister company in Urbana, Ohio, USA.


Diamond Dot Presspaper




Coils of electrical insulating paper and diamond dotted presspaper.


Our electrical grade papers are manufactured to IEC standards.


All grades are available in a variety of thickness and widths to suit client requirements. WEIDMANN WHITELEY LIMITED has its own coating machines and can do a variety of coatings to suit individual customer requirements.