CBS Electric Insulation Materials stocks only certified Class H temperature wedges.




Certified Class H (180*C) wedges for high-temperature applications. A durable blend of 3M’s proprietary hybrid inorganic/organic insulating paper and Dupont’s Mylar film. A robust, all round wedge for most Class H jobs with good value. Our most popular choice.



Dacron-Mylar-Dacron H (DMDH)

Certified Class H (180*C) wedges for high-temperature applications where affordability and easy of insertion are key.

The winder’s original wedge, utilizing Fibertek’s proprietary solvent-free adhesive system which ensures the highest standard of DMD paper on the market. A solid choice for any application where ease of handling is paramount.

Nomex 410 Wedges (NHT) **Special Order Only**

Certified Class R (220*C) wedges for the most demanding applications and highest temperature requirements.

Made from Dupont’s original proven Nomex paper, a blend of high inherent dielectric strength, mechanical toughness, flexibility and resilience. Great lateral strength for easy handling and less chance of buckling.

Tel: (403) 243-1934

Fax: (403) 243-9409


10805 - 27 Street SE

Calgary, AB


T2Z 3V9

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Thursday, December 31 - 8:00 AM - 12:00 PM

Friday, January 1 (2021) - CLOSED


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