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The 3M 7000148440 is a polyimide film tape with a silicone adhesive backing, sold under the 3M Polyimide Film Tape 5413 product line in an amber color. The tape measures 2 inches wide by 36 yards long with a total thickness of 2.7 mil. It is engineered for high-temperature environments, rated for continuous use from -100 degrees F to 500 degrees F (-73 degrees C to 260 degrees C). HVAC technicians, electronics assemblers, and industrial maintenance professionals use this tape where standard films would fail under sustained heat exposure.
This tape is primarily used in electronics manufacturing as a masking solution to protect gold fingers on printed circuit boards during wave solder or solder dip processes. It also serves as a release surface in the fabrication of parts that are cured at elevated temperatures. The combination of polyimide film construction and silicone adhesive makes it suitable for applications requiring clean removal after heat cycling without leaving adhesive residue on sensitive components.
Designed for use as a masking tape on printed circuit boards during wave solder and solder dip operations, and as a release surface for parts cured at elevated temperatures in industrial fabrication processes.
Apply to clean, dry surfaces free of oils, flux residue, or contaminants before the soldering or curing process begins. Ensure the tape is firmly adhered along all edges to prevent solder or resin bleed-under during processing. Remove tape carefully after the part has cooled to a safe handling temperature to avoid tearing or stretching the film. Follow applicable workplace safety procedures when working near solder baths or elevated-temperature curing equipment.
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