FI showroom red and grey logo
MenuMENU
SearchSEARCH

Polygon Double Insulation Dielectric Composite Tubing for Electric Motors

Secondary insulation layer provides superior shock protection to eliminate the need to ground units.

July 23, 2020
Polygon Double Insulation Dielectric Composite Tubing for Electric Motors

Secondary insulation layer provides superior shock protection to eliminate the need to ground units.

2 min to read


WALKERTON, Ind. – Polygon Company, a producer of composite tubing, bearings, and pneumatic cylinders, highlights its Double Insulation Dielectric Composite Tubing for electric motor applications. Polygon Tube® double insulation tubing is customizable to an individual application’s needs, thus ensuring the highest possible quality and greatest safety benefit in each individual motor design.

Composite materials are the ideal choice for insulative applications because they can be tailored to almost any engineering challenge.

Ad Loading...

Used as a sleeve within the armatures of electric motors, Polygon Tube® double insulation tubing acts as a secondary layer of insulation and provides shock protection to the operators of electrical tools and appliances. The use of the additional layer of insulation allows the appliance to be rated "Double Insulated" and the need for grounding of the unit is eliminated.

Polygon’s design and performance engineers use their extensive knowledge and experience in composites science to assist customers in determining the best fiber architecture and finishing to produce ideal secondary insulating sleeves for every application. This includes customizing sizes and machining holes and cutouts to fit numerous applications. 

Composite materials are the ideal choice for insulative applications because they can be tailored to almost any engineering challenge. Polygon’s design flexibility is unmatched and includes; fiber winding, finishing, and more according to customers precise needs. The outstanding dielectric and insulating properties of Polygon’s industry-leading composite materials eliminate the risk of capacitance coupling, while their high torque strengths ensure durability.

Polygon Tube® double insulation tubing holds an Underwriter’s Laboratories (UL) certification AFW-G-10. Polygon’s rigorous quality control standards ensure that every finished tube is tested at 5000 volts minimum to guarantee its dielectric integrity.

For more information visit www.polygoncomposites.com.

Ad Loading...

More Showroom

Image of Honda 'H' emblem
Showroomby Hannah MitchellMarch 25, 2026

Afeela EV Brand Fails to Leave the Factory

Sony-Honda venture cancels two planned models, the first of which had been pegged for a mid-2026 California delivery debut. The brand’s direct sales had been challenged by the state’s auto dealers, but the venture cites Honda’s EV retreat.

Read More →
row of SUVS in background with red and white text saying inventory with a down arrow and sales pace with an up arrow
Industryby Lauren LawrenceMarch 23, 2026

Used-Vehicle Sales Jump in February

Softening prices, rising credit availability and higher tax refunds could be behind February’s sales pace rise and accompanying dip in inventory, according to Cox Automotive.

Read More →
Graphic showing the wholesale weekly price index for 2- to 6-year-old vehicles
ShowroomMarch 17, 2026

Black Book: Weekly Market Update

The wholesale automotive market fared remarkably well given the U.S.-Israel war on Iran, Black Book analysts reported.

Read More →
Ad Loading...
Photo of line of new cars on a lot
Showroomby Hannah MitchellMarch 16, 2026

FTC Targets Auto Dealers Over ‘Deceptive Pricing’

The agency sent warning letters to dozens of auto groups about what it described as illegal practices and urged them to ensure their pricing policies enable transparency with consumers.

Read More →
row of cars, used vehicle demand spikes, chart showing data spike, F&I and Showroom logo
Showroomby Lauren LawrenceMarch 11, 2026

Used Market Gains Speed

New-vehicle sales fell year-over-year for the fifth month in a row in February, making retail deliveries the slowest they’ve been since 2023, according to a CarGurus report.

Read More →
Ford pickup truck grill with company insignia
Showroomby Hannah MitchellMarch 10, 2026

Ford Engineers Tinker With EV Cost, Range

The automaker says its California skunk works is already finding efficiencies to lighten traditionally heavy electric vehicles for lower cost, plus extended range.

Read More →
Ad Loading...
Graphic showing used-vehicle days to turn rate
Showroomby StaffMarch 10, 2026

Black Book: Weekly Market Update

Both vehicle values and conversion rates sped up last week as two segments outperformed in the pre-spring burst of buying.

Read More →
Photo of Chevrolet Bolt on a beach
Showroomby Hannah MitchellMarch 9, 2026

Economical Electric

GM says it sells the cheapest electric vehicle in the U.S. market. It explains how it made improvements to the entry-level EV while keeping its price down.

Read More →
Showroomby Hannah MitchellMarch 4, 2026

Georgia Dealership Sold

A Tennessee-based automotive group with deep industry history picked up the well-established Honda store, rebranding it.

Read More →
Ad Loading...
Showroomby Lauren LawrenceMarch 4, 2026

Used-Vehicle Program Aims to Draw More Buyers

GM says more than 750 dealers across the U.S. are enrolled in CarBravo and that in January CarBravo dealers sold over two times the certified volume of Chevrolet, Buick and GMC dealers using traditional CPO.

Read More →