3M 8403 Polyester Tape
3M™ Polyester Tape 8403 has a silicone adhesive for composite bonding and splicing of many silicone coated papers and films. Works in demanding conditions and retains flexibility in autoclave conditions in temperatures ranging from -60°F (-50°C) to 350°F (177°C). Silicone adhesive provides clean removal from a variety of surfaces. Chemical resistant adhesive and backing provides durability in difficult environments.
Applications: Masking edges overlap seams in metal bonding process where the excess epoxy (“flash”) flows onto the tape. Clean-up is complete when the tape is removed; Protective overall mask on panels to mild caustic or acid bath etching. Helps prevent scratches during handling and provides desired masking during metal bonding and fabrication; Holding of parts or vacuum bags during bonding process; Mask for metal in acid or caustic chemical milling baths; Masking parts in anodizing processes; Splicing of silicone coated papers and films; Paint masking of materials subjected to high temperatures
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| Adhesive Type | |
| Adhesion to Steel | |
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| Operating Temperature | Removes cleanly and remains flexible |
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