3M

3M 850B Polyester Film Tape

3M™ Black Polyester Film Tape 850 is a black colored industrial grade tape suitable for splicing, marking, sealing, labeling, protecting and decorating. This product’s polyester construction allows for a thin yet high strength product that resists chemicals, solvents, and abrasion.

Thin, high strength polyester film meets low caliper requirements which won't interfere with most machinery processes
Aggressive acrylic adhesive provides quick stick and excellent long-term holding in splicing applications
Polyester backing resists tearing and protects surfaces from abrasion and rough handling

Color: Black

Backing/Carrier Material: Polyester Film

Adhesive Type: Acrylic

TotalThickness: 1.9 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

Thin, high strength polyester film meets low caliper requirements which won't interfere with most machinery processes
Aggressive acrylic adhesive provides quick stick and excellent long-term holding in splicing applications
Polyester backing resists tearing and protects surfaces from abrasion and rough handling
Temperature resistance enables tape to perform in high temperature operations
Highly visible for applications where marking or identification is required
Maintains color after long term aging

Specifications

Color	Black
Backing/Carrier Material	Polyester Film
Adhesive Type	Acrylic
Total Thickness	1.9 mil
Backing/Carrier Thickness	0.9 mil
Adhesive Thickness	1 mil
Adhesive Strength	30 oz/in
Tensile Strength	28 lb/in
Elongation	120%
Minimum Temperature Performance	-60°F
Maximum Temperature Performance	300°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

Core starting
Splicing and web defect marking
Sealing, labeling and protecting
Decorative edging
Tape hinge/edge reinforcement

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