For anodizing, composite bonding and splicing, use 3M™ Polyester Tape 8403. This translucent green tinted tape is coated with a silicone adhesive that bonds well on difficult surfaces, including silicone coated papers and films. It is chemical resistant and performs under a wide range of temperatures and environments. This tape is a thicker version of our 3M™ Polyester Tape 8402.
3M™ Polyester Tape 8403 tape has a silicone adhesive functions well for masking and removes cleanly, in one-piece, from most surfaces
Thick and Durable Tape for Masking in High Temperatures
3M™ Polyester Tape 8403 is a thicker polyester tape designed for easy handling and more durability. It is ideal for masking in high temperature applications and adheres well to silicone coated surfaces. The tape has a silicone adhesive that functions well for masking and removes cleanly, in one-piece, from most surfaces. This tape also excels in permanent splicing operations on silicone liners, papers and films subject to high temperatures.
Learn more about 3M™ Masking and Surface Protection Products
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With exceptional chemical resistance, this tape works effectively in some of the most demanding work conditions, such as anodization. The pressure sensitive silicone adhesive performs under a broad range of temperatures ranging from -60°F (-50°C) to 425°F (218°C). Our 3M™ Polyester Tape 8403 has long service life and is designed to remain firmly adhered and flexible.
- Splicing of silicone liners, films and papers
- Holding parts or vacuum bags during composite bonding operations
- Masking metal surfaces (PDF, 254.41 Kb) in acid or caustic chemical milling baths
- Flash breaker in metal bonding processes where the excess epoxy (flash) flows on the tape
- Protective tape reduces scratches during handling and shipping
- Paint mask for areas subject to higher temperature bake cycles