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3M 8985L Anodizing Masking Tape

3M

3M 8985L Anodizing Masking Tape

8985L

3M™ Anodization Masking Tape 8985L is a reliable non-silicone solution for Type I (chromic acid) anodization. Designed for performance, it is specifically resistant to chromic acid and provides sharp lines with a rubber adhesive for easy removal. This tape can mask and de-mask up to 5x faster* than labor-intensive liquid masking for improved productivity.

  • Designed specifically for masking in chromic acid (Type I) anodization baths
  • Masks and de-masks up to 5x faster than liquid masking, with no cure time
  • Provides sharp masking lines and minimizes leaking to reduce the need for part rework
Color: Purple Printed
Liner Material: Polyester
Backing/Carrier Material: Polyester Film
Adhesive Type: Rubber
TotalThickness: 3.9 mil
Overview

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Our experts are ready to discuss this material's performance and customization options to help develop a solution that addresses your application method, scale requirements and long-term performance challenges.
1

Consult

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2

Design

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3

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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.

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Features

Features

  • Designed specifically for masking in chromic acid (Type I) anodization baths
  • Masks and de-masks up to 5x faster than liquid masking, with no cure time
  • Provides sharp masking lines and minimizes leaking to reduce the need for part rework
  • Rubber adhesive is specially formulated to resist the harshest of chemical bath chemistries
  • Strong polyester backing provides excellent abrasion, tear, scratch, puncture and moisture resistance to help protect surfaces
  • Non-silicone formulation helps reduce post-process coating and bonding failures
  • Can be used with or without chemical film on a variety of aluminum and other metal alloys
  • Transparent purple tape for fast, accurate positioning and easy identification
  • Liner provides added stability for easy die-cutting
  • Liner provides added stability for easy die-cutting
Specifications

Specifications

Color Purple Printed
Backing/Carrier Material Polyester Film
Adhesive Type Rubber
Total Thickness 3.9 mil
Backing/Carrier Thickness 3 mil
Adhesive Thickness 0.9 mil
Liner Material Polyester
Liner Thickness 2 mil
Adhesive Strength 23 oz/in
Tensile Strength 70 lb/in
Elongation 131%
Maximum Temperature Performance 200°F
Compliance

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

Resources

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