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A history of composite insulation products

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Any composite company that's been around for over 60 years has, as part of their heritage, a family of products related to either the recreational or electrical markets, and Polygon is no exception. Polygon Company has been a major force in supplying insulating products for the electrical transformer and distribution market since the early 1950's. Many of the applications in existence today were designed and developed by Polygon engineers.

As the originator of the fiberglass winding pin used in the production of fractional horsepower motors as an insulating turn point for the copper coils. We pioneered the replacement of convolute wound fuse tubes by incorporating the braiding process, then followed closely by filament winding technology. Polygon developed a proprietary product and process that replaced molded steel core cross bars used in composite switches. This application was especially demanding because we had to match the torque requirements of the steel core while at the same time providing high voltage insulating properties with the same strength characteristics.

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Polygon Company has designed and made fuse tubes, transformer fuse tubes, draw out tubes, lightening arrestor tubes, fuse holders, stand offs, stabbers and various other products longer than most composite manufacturing companies have been in existence. We stand alone in our ability to manufacture products for the electrical industry using the processes of filament winding, pultrusion, braiding or combinations of all three. We are a true manufacturer, not just a fabricator or distributor of electrical products. This allows us to control both our raw material inputs as well as the finished products. Most of our competitors must rely on outside sources to make their composite or laminates that they then fabricate. This additional step creates a hidden supply chain issue that contributes to quality problems or extends lead times. We make the composites, and then finish them to print, which can also include secondary processing such as metallic end attachments, painting, certification or any type of subassembly that might be required.

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Polygon Company is very diverse in product size range offerings as well. Making a variety of electrical products, from products that require a magnifying glass to visualize to tubing structures that an individual could actually crawl through. We do tubes, rods, solids, sheets and even electrical torque products. Our depth of knowledge in the electrical market is unsurpassed.


Disclaimer

Any ratings are typical for design purposes. Your design parameters may affect final ratings. Consult with a Polygon sales engineer for guidance. Final testing and approval is the customer's responsibility for their application. This information is derived from our testing and published data. There is no assurance of these properties, or warranty provided that these products are suitable for any particular purpose or operational situation.

Polygon certifies that their product will be free from material defect. Polygon will not accept any liability for loss, damages, or costs from use or misuse of our products.

Specifications are subject to change, and may be affected by our continual process of improvement. Changes may be made without prior announcement.

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