Canadian Plastics

Electrical-grade elastomer used on power distribution towers

A new type of dead-end composite insulator developed by GLP Hi-Tech Power Products Inc. (St-Jean-sur-Richelieu, Que.) uses a halogen-free, flame-retardant thermoplastic elastomer that outperforms sili...

October 1, 2000   Canadian Plastics



A new type of dead-end composite insulator developed by GLP Hi-Tech Power Products Inc. (St-Jean-sur-Richelieu, Que.) uses a halogen-free, flame-retardant thermoplastic elastomer that outperforms silicone rubber in lab tests.

The insulator, which is installed on power distribution towers to isolate electrical current, uses Dytron XL manufactured by Advanced Elastomer Systems.

Dyton XL exhibited dielectric strength of 21.96 kV/mm in a ASTM D 149 test, while silicone rubber achieved only a 12.59 kV/mm dielectric strength.

The TPE also has ozone resistance, hydrophobicity and self-cleaning properties, flexibility over a wide temperature range and superior fluid/chemical resistance.

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The patented electrical insulator system features a distinct design achieved through material compression between a 19-mm diameter fibreglass rod, an injection overmolding of Dytron XL TPE and manually-affixed forged steel end fittings.

Advanced Elastomer Systems L.P. 450/585-9026 or 905/841-8739


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