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3M™ Very Low-Outgassing Polyester Tape 8439

Products
  • 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
 More...
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Overall Length (Imperial)
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Overall Width (Imperial)
Overall_Width_Imperial
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Specifications
Attribute Name
Value
Brand
3M™
Overall Length (Imperial)
10 yd, 144 yd, 62 yd, 72 yd
Overall Length (Metric)
131.674 m, 56.693 m, 65.837 m, 9.144 m
Overall Width (Imperial)
0.75 in, 1 in, 2 in, 24.5 in, 7.5 in, 9.5 in
Overall Width (Metric)
19.05 mm, 190.5 mm, 241.3 mm, 25.4 mm, 50.8 mm, 622.3 mm
Details
  • 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

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

A silver-colored polyester film tape for the demanding requirements of electronics manufacturing. The metalized polyester backing offers low static and diffusivity and is complimented with a very low-outgassing acrylic adhesive. This product offers a high level of permanence, yet is cleanly removable from most substrates even after extended heat treatments.

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