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SKU 7100382586
Legacy SKU 80001602491
UPC 00068060477101
Catalog Number TBD
Product Number 8439

3M Very-Low Outgassing Polyester Tape 8439 is a silver-colored polyester film tape for the demanding requirements of electronics manufacturing.

  • Excellent shear strength which helps reduce chance of tape slippage when shear stress is applied
  • Bleeds static charge rapidly
  • Thin with high strength
  • Low diffusivity - Effective contamination barrier
  • Long aging - adhesive stable over long periods of time
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On it's way to you January 12  

Qty

Minimum Order 1 Roll
Order Increment 1 Roll
Product Dimensions
Imperial Metric
Weight 0 NULL
Width 0 null
Length 0 null
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Shipping Dimensions
Weight 22.52701 lb
Length 11 in
Width 11 in
Height 26.2 in

PRODUCT FAQ

  1. What makes 3M™ Very Low Outgassing High Shear Polyester Tape 8439L special?

    Great question! This tape is specifically designed to have very low outgassing, which means it releases minimal vapors, making it perfect for sensitive applications like electronics or aerospace. Plus, its high shear strength helps provide a strong, reliable bond.

  2. Can this tape handle high temperatures?

    Absolutely! This polyester tape performs wonderfully at elevated temperatures—it can withstand up to 150°C (302°F), so it's ideal for demanding environments.

  3. Is the adhesive on this tape safe for cleanroom use?

    Yes! The acrylic adhesive is engineered to leave minimal residue and has ultra-low outgassing properties. It’s often used in cleanrooms and other controlled environments where contamination must be minimized.

  4. What are the dimensions of this roll of tape?

    Each roll of our 3M™ Tape 8439L comes in a width of 24 inches and a length of 72 yards—so you'll get plenty for your projects!

3M™ Silver-Colored Polyester Film Tape for Electronics Manufacturing

Experience the advanced performance of 3M’s silver-colored polyester film tape, meticulously engineered to meet the rigorous demands of electronics manufacturing environments. This specialized tape features a metallized polyester backing that not only delivers a sleek, reflective appearance but also provides exceptional low static properties and minimal diffusivity, making it ideal for sensitive electronic applications.

The tape is equipped with a high-performance, very low-outgassing acrylic adhesive. This adhesive formulation is designed to maintain a strong, reliable bond while minimizing the release of volatile components, which is crucial for maintaining the integrity of electronic assemblies and preventing contamination in cleanroom settings.

  • Metallized polyester backing ensures low static generation and excellent barrier properties.
  • Very low-outgassing acrylic adhesive supports use in cleanroom and high-purity environments.
  • Offers a high level of adhesion and permanence for secure attachment during processing.
  • Clean removability from most substrates, even after exposure to elevated temperatures, helps reduce rework and cleanup time.
  • Ideal for masking, splicing, and protective applications in electronics manufacturing and assembly.

Choose 3M’s silver-colored polyester film tape for a reliable solution that balances strong, lasting adhesion with the ability to be removed cleanly, even after extended heat treatments. This makes it an excellent choice for a wide range of electronics manufacturing processes where both performance and cleanliness are paramount.