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3M 7419L Kapton Tape

3M 7419L Kapton Tape

3M 7419L with DuPont™ Kapton® polyimide film, acrylic adhesive, and the polyester liner is amber-colored and used for printed circuit board solder-masking and other high-temperature applications.

  • Brand: 3M
  • Model No.: 7419L
  • Color: Amber
  • Adhesive: Acrylic
  • Length: 33m
  • Temperature range: 180 ℃
  • Die-cutting: Any shape and any size
Data Sheet
Features
Applications

3M 7419L Kapton Tape Data Sheet

PropertyTest methodaValue
Adhesion to stainless
Initial
72 hours @ room temp
10 minutes @ 260º C
ASTM D3330, Part A4 oz/in (4.52 N/100 mm)
5 oz/in (5.65 N/100 mm)
17 oz/in (19 N/100 mm)
Adhesion to copper
Initial
72 hours @ room temp
10 minutes @ 260º C
ASTM D3330, Part A4 oz/in (4.52 N/100 mm)
5 oz/in (5.65 N/100 mm)
10 oz/in (11 N/100 mm)
Backing thicknessASTM D36521.0 mil (0.025 mm)
Total tape thicknessASTM D36521.8 mil (0.046 mm)
Static discharge
Removal from roll
3M Test Method< 100 volts
Dielectric strength3M Test Method6000 volts
Surface resistivityESD Method S-115 x 106 ohms/sq
Temperature use rangeTemperature use rangeb10 min at 260°C

3M 7419L Kapton Tape Features

  • Specially formulated acrylic adhesive is resistant to typical solder mask temperatures for short periods of time.
  • Stays firmly in place during processing and removes cleanly from typical electronic substrates even after 10 minutes @ 260°C (500°F).
  • Non-silicone adhesive formulation lessens the potential for silicone contamination which can interfere with subsequent bonding or conformal coating operations.
  • The high-temperature acrylic adhesive also has excellent chemical resistance and should be considered for demanding chemical masking applications.
  • The product is wound on a polyethylene tape core.

3M 7419L Kapton Tape Applications

  • Masking or protecting residue-sensitive areas on printed circuit boards during high-temperature operations such as wave soldering and solder reflow.
  • Coating jumbo rolls
  • Slitting or cutting to small rolls
  • Rewinding liner 
  • Cutting width required by the customers
  • Die-cutting to the drawings of the customers
  • Laminate other materials
  • Free samples based on freight collect

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