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3M 1318-2Y Polyester Film Electrical Tape

1318-2Y

3M™ 1318-2Y is a yellow polyester film electrical tape with a 2 mil polyester backing and non-corrosive acrylic adhesive. It provides excellent resistance to chemicals, moisture, solvents, abrasion, and cut-through, with superior flagging performance. The tape is designed for continuous operation not exceeding 130°C (266°F) per UL listing.

Excellent flagging resistance
Excellent chemical, solvent and moisture resistance
Designed for continuous operation not exceeding 130°C (266°F) per UL listing

Color: Yellow

Backing/Carrier Material: Polyester Film

Adhesive Type: Acrylic

TotalThickness: 3.5 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

Excellent flagging resistance
Excellent chemical, solvent and moisture resistance
Designed for continuous operation not exceeding 130°C (266°F) per UL listing
Resists abrasion and cut through
Printable
UL Component Recognized: UL510A Standard, Category OANZ2, File No. E17385

Specifications

Color	Yellow
Backing/Carrier Material	Polyester Film
Adhesive Type	Acrylic
Total Thickness	3.5 mil
Backing/Carrier Thickness	2 mil
Adhesive Thickness	1.5 mil
Adhesive Strength	25 oz/in
Tensile Strength	40 lb/in
Elongation	50%
Dielectric Breakdown	7,000 volts
Insulation Resistance	1 x 10¹² ohms
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™ Polyester Film Electrical Tape 1318-2Y is a yellow electrical insulation tape featuring a durable 2 mil polyester backing and a non-corrosive acrylic adhesive. Designed for reliable electrical insulation, it offers excellent resistance to chemicals, solvents, moisture, abrasion, and cut-through. The tape also provides outstanding flagging resistance, helping maintain secure adhesion. UL listed for continuous operation at temperatures up to 130°C (266°F), 3M™ 1318-2Y delivers dependable performance across electrical insulation applications. Its polyester film backing is printable for identification and labeling purposes.

Commonly used in wrapping coils, capacitors, wire harnesses, transformers, shaded pole motors and fractional-horsepower motors

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