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The 3M 7100010443 is a polyimide film tape with a silicone adhesive backing, sold under the 3M Polyimide Film Tape 5413 product line in amber. The tape measures 0.5 inches wide by 36 yards long and carries a total thickness of 2.7 mil. It is built for high-temperature environments, rated for continuous use from -100 degrees F to 500 degrees F (-73 degrees C to 260 degrees C). The polyimide film construction and silicone adhesive combine to deliver dimensional stability and clean release at elevated temperatures. Electronics technicians, PCB assemblers, and fabrication specialists are the primary installers of this tape in production and repair settings.
This tape is commonly used to mask and protect the gold fingers of printed circuit boards during wave solder or solder dip processes, preventing solder contamination on contact pads. It also serves as a release surface in the fabrication of parts that undergo curing at elevated temperatures. Applications span electronics manufacturing, aerospace component fabrication, and any production process requiring a masking material that remains stable and residue-free through high-heat cure cycles or soldering operations.
Designed for use in wave solder, solder dip, and elevated-temperature curing processes where a dimensionally stable, high-temperature masking tape is required. Suitable for application to printed circuit boards and fabricated parts subjected to elevated cure temperatures.
Application is typically performed by electronics technicians or fabrication specialists in production or repair environments. Ensure the substrate surface is clean and dry before applying the tape to achieve full adhesive contact. Remove the tape promptly after the solder or cure process while the assembly is still warm to reduce the risk of adhesive residue. No special tools are required for application, but a tape applicator or roller can improve consistency on high-volume runs.
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