tesa

tesa 51964 Double Sided PET Film Tape

51964

tesa® 51964 is a transparent, double-sided industrial mounting tape featuring a PET backing and a highly tackified acrylic adhesive. It delivers excellent adhesion, very high tack, and good shear strength on a wide range of surfaces, along with resistance to humidity, UV exposure, and elevated temperatures.

Excellent combination of high initial tack and immediate adhesion
Full suitability for long-term applications
Very good bonding strength, even to low surface energy materials

Unwind Side Adhesive Type: Tackified Acrylic

Liner Side Adhesive Type: Tackified Acrylic

Color: Clear / Transparent

Liner Material: Branded Brown Paper

Backing/Carrier Material: PET - Polyester Film

TotalThickness: 4.9 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 combination of high initial tack and immediate adhesion
Full suitability for long-term applications
Very good bonding strength, even to low surface energy materials
Outstanding converting and die-cutting properties

Specifications

Color	Clear / Transparent
Backing/Carrier Material	PET - Polyester Film
Unwind Side Adhesive Type	Tackified Acrylic
Liner Side Adhesive Type	Tackified Acrylic
Total Thickness	4.9 mil
Liner Material	Branded Brown Paper
Liner Thickness	2.7 mil
Unwind Side Adhesive Strength	116.9 oz/in
Liner Side Adhesive Strength	116.9 oz/in
Tensile Strength	11.4 lb/in
Elongation	55%
Minimum Temperature Performance	-40
Maximum Temperature Performance	392°F
Unwind Side Adhesive Permanent	Yes
Liner Side Adhesive Permanent	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

tesa® 51964 is a transparent, double-sided industrial mounting tape featuring a durable PET backing and a highly tackified acrylic adhesive for reliable bonding performance. The adhesive delivers excellent adhesion across a wide range of surfaces, including low surface energy materials, while providing high initial tack, immediate adhesion, and good shear strength. Designed to withstand numerous environmental conditions, tesa® 51964 resists humidity, UV exposure, and temperatures up to 392°F (200°C) for limited periods of time. The durable PET backing ensures dimensional stability, making the tape well suited for precise converting and die-cutting applications.

Various industrial long-term mounting applications