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3M 46 Polyester Film/Glass Filament Reinforced Electrical Tape

3M™ Reinforced Electrical Tape 46 is an industrial grade 6.5 mil electrical tape product constructed with polyester film/glass filament reinforced backing mated with a pressure sensitive thermosetting rubber adhesive. This tape is suitable for functions necessitating banding, anchoring, insulating and protecting. Designed and constructed for demanding electrical needs, this product features high dielectric strength, high tensile strength, high edge tear resistance and low stretching.

For applications needing both the dielectric strength of polyester film and the high mechanical strength of glass fibers
Low stretch, high tensile and edge-tear resistance
Designed for continuous operation not exceeding 130°C (266°F) per UL and CSA listings

Color: White

Backing/Carrier Material: Polyester Film/Glass Filament

Adhesive Type: Thermosetting Rubber

TotalThickness: 6.5 mil

Overview
Customize
Features
Specifications
Compliance
Resources

Overview

Consult

Specify a finalized design or create a new one from scratch with our experienced converting experts.

Design

Pair our material sampling library with our precision converting capabilities to optimize and validate a prototype.

Produce

Rely on our top-tier suppliers, strict quality controls, and hands-on help to ensure your product's effectiveness throughout its lifecycle.

Customize

Customize This Material

Our wide range of converting capabilities allow us to take this material and transform it into the right width, length, shape or fabricated part to not only achieve ideal integration into your end use, but also optimize how you apply the material in your application. Our converting equipment paired with our expert engineering team will help you create the exact custom solution for your unique requirements.

To learn more about the most common converting services we offer, or to contact our team to start discussing your solution, please utilize the below links:

Tape Slitting

Die-Cutting

Custom Part Fabrication

Prototyping

Custom Length Rolls

Features

For applications needing both the dielectric strength of polyester film and the high mechanical strength of glass fibers
Low stretch, high tensile and edge-tear resistance
Designed for continuous operation not exceeding 130°C (266°F) per UL and CSA listings
A more cost-effective solution to glass cloth tapes
Thermosetting rubber adhesive provides excellent adherence
600V rated

Specifications

Color	White
Backing/Carrier Material	Polyester Film/Glass Filament
Adhesive Type	Thermosetting Rubber
Total Thickness	6.5 mil
Adhesive Strength	50 oz/in
Tensile Strength	180 lb/in
Elongation	5%
Dielectric Breakdown	5,000 volts
Insulation Resistance	20 x 10⁶ ohms
Minimum Temperature Performance	32°F
Maximum Temperature Performance	266°F

Compliance

We value the importance of up to date an accurate regulatory information on the products we work with. For the most current Compliance and Regulatory information on your product of interest, please contact our experts for assistance.

Resources

Technical Data Sheet

3M™ Tape 46 is a premium-grade electrical tape designed with a durable rubber adhesive. Ideal for high-performance electrical applications and anchoring lead wires to banding coils.

This electric tape offers reliable insulation and mechanical support. Rated for up to 600 volts, Tape 46 performs in a wide temperature range from 32°F to 266°F (0°C to 130°C).

Lead anchoring and banding of coils where high edge-tear resistance and low stretch under application tension are needed
End-turn taping

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