3M

3M 57 Polyester Film Electrical Tape

3M™ Tape 57 is a polyester film, electrical tape. This tape is used to insulate applications that require excellent dielectric strength. It withstands a temperature range of 32 to 266 °F (0 to 130 °C).

Withstands higher-temperature conditions than tapes with acetate cloth backings
Conformable, exhibits excellent chemical, solvent and moisture resistance and resists cut-through and abrasion
2-mil film thickness

Color: Yellow

Backing/Carrier Material: Polyester Film

Adhesive Type: Thermosetting Rubber

TotalThickness: 3.3 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

Withstands higher-temperature conditions than tapes with acetate cloth backings
Conformable, exhibits excellent chemical, solvent and moisture resistance and resists cut-through and abrasion
2-mil film thickness

Specifications

Color	Yellow
Backing/Carrier Material	Polyester Film
Adhesive Type	Thermosetting Rubber
Total Thickness	3.3 mil
Backing/Carrier Thickness	2 mil
Adhesive Thickness	1.3 mil
Adhesive Strength	60 oz/in
Tensile Strength	50 lb/in
Elongation	110%
Dielectric Breakdown	7,000 volts
Insulation Resistance	> 1 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 57 is a polyester film electrical tape. This electric tape is used for insulation applications that necessitate excellent dielectric strength such as wrapping coils and capacitors. Durable and reliable, it can withstand a temperature range of 32 to 266 °F (0 to 130 °C).

Suited for use as a coil cover, layer insulation, and capacitor wrap where higher electrical strength is desirable

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