through rough waters
3M™ Very Low Outgassing High Shear Polyester Tape 8439L, NSNF, 4.125 in x 72 yd, 8 Rolls/Case
$440.36 / Roll
| SKU | 7100380915 |
|---|---|
| Legacy SKU | 80001602467 |
| UPC | 00068060476791 |
| 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
Product Dimensions |
Imperial | Metric |
| Weight | 0 NULL | |
|---|---|---|
| Width | 0 null | |
| Length | 0 null | |
| Height | 0 null |
Shipping Dimensions |
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| Weight | 9.6 lb |
|---|---|
| Length | 10.8 in |
| Width | 10.8 in |
| Height | 10 in |
PRODUCT FAQ
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What is special about the 3M™ Very Low Outgassing High Shear Polyester Tape 8439L?
Great question! This tape is designed for applications where low outgassing is important, such as electronics or aerospace. It also offers strong adhesion and holds firmly over time—perfect for demanding environments!
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What are the dimensions of each roll in this case?
Each roll measures 4.125 inches wide and 72 yards long. In one case, you get a total of eight rolls—that’s quite a bit of high-performance tape!
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Is this tape safe to use on sensitive surfaces?
Yes! The polyester backing helps protect surfaces, and its adhesive is formulated to minimize residue or damage when removed from most substrates commonly used in electronic assemblies.
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Can I purchase just one roll, or do I have to buy the whole case?
Currently, we offer this product by the case—which includes eight rolls per case—to ensure you have enough for larger projects or ongoing needs. If you’d like a smaller quantity, let me know—I’m happy to help look into solutions that work best for you!
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 specifically designed to minimize the release of volatile components, ensuring compatibility with cleanroom and other controlled environments where contamination must be kept to an absolute minimum.
- Metallized polyester backing offers excellent low static and low diffusivity, protecting delicate electronic components.
- Very low-outgassing acrylic adhesive supports use in cleanroom and high-purity manufacturing settings.
- Provides a strong, reliable bond for a high level of permanence during use.
- Cleanly removable from most substrates, even after exposure to extended heat treatments, reducing the risk of residue or surface damage.
This tape is an excellent choice for a variety of electronics manufacturing processes, including masking, splicing, and surface protection, where both performance and cleanliness are critical.
