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 3M™ polyester tape 8402.

• Works in demanding conditions
• Retains flexibility in autoclave conditions in temperatures ranging from –50 to +177 °C (–60 to +350 °F)
• Silicone adhesive provides clean removal from a variety of surfaces
• Chemical-resistant adhesive and backing provides durability in difficult environments
• Creates a permanent seal against water, moisture and more

3M™ Polyester Tape 8403 is a thicker polyester tape designed for easy handling and increased 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.