3M

3M 3326 Silver Printed Scotch Foil Tape

3M™ Aluminum Foil Tape 3326 is a 4.4 mil industrial grade metal foil tape used for joining and moisture sealing air ducts. This product meets requirements UL-723 for flame and smoke spread and requirements of UL-181 for mold growth resistance.

Meets the requirements of UL181A-P and UL181B-FX standards and is imprinted with the listings to comply with identification requirements
Excellent shear holding
Meets requirements for UL-723 for flame spread and smoke developed

Color: Silver

Liner Material: Paper

Backing/Carrier Material: Aluminum Foil

Adhesive Type: Acrylic

TotalThickness: 4.4 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

Meets the requirements of UL181A-P and UL181B-FX standards and is imprinted with the listings to comply with identification requirements
Excellent shear holding
Meets requirements for UL-723 for flame spread and smoke developed
Designed for maximum adhesion over clean, dry surfaces
Acrylic adhesive provides high temperature resistance
Meets requirements of UL181 for mold growth resistance
Paper liner is convenient for tight places and insures integrity of adhesive

Specifications

Color	Silver
Backing/Carrier Material	Aluminum Foil
Adhesive Type	Acrylic
Total Thickness	4.4 mil
Backing/Carrier Thickness	2.3 mil
Adhesive Thickness	2.1 mil
Liner Material	Paper
Adhesive Strength	70 oz/in
Tensile Strength	25 lb/in
Elongation	4%
Minimum Temperature Performance	-20°F
Maximum Temperature Performance	250°F
UL Printed	Yes

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

Joining and sealing fiberglass duct board joints and seams
Joining and sealing flexible air duct seams and connections
Use in applications to preserve vapor barrier integrity

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