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3M 1205

3M 1205 is a polyimide film-backed electrical tape. this flame retardant tape is suitable for use in applications that require thin insulating material for wrapping transformers, capacitors, and wire harnesses.
This tape withstands a temperature range of 40 to 311 °F ( 40 to 155 °C) without the loss of electrical properties and tensile strength.
3M 1205 has a pressure-sensitive, acrylic adhesive that offers optimized adherence. This tape is designed for anchoring leads/terminal boards. It is ideal for use as wave solder masking tape in a printed circuit board assembly.

  • Brand: 3M
  • Model No.: 1205
  • Color: Amber
  • Thickness:3.2mil/0.081mm
  • Adhesive: Acrylic
  • Length: 33m
  • Temperature range: 180 ℃
  • Die-cutting: Any shape and any size
Data Sheet
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3M 1205 Data Sheet

Adhesive MaterialAcrylic
Adhesive TypeAcrylic
Color FamilyYellow
Dielectric Strength7500 V
Electrolytic Corrosion Factor1
Elongation at Break55 Percent
Insulation Resistance1 x 10^6 megohms
Maximum Operating Temperature (Celsius)155 Degree Celsius
Maximum Operating Temperature (Fahrenheit)311 Degree Fahrenheit
National Stock Number5970011845193, 5970013692400, 5970012252998, 5970012252999, 5970013170680, 5970012429093
Overall Length (Imperial)36 yd
Overall Length (Metric)33 m
Overall Width (Imperial)0.25 in, 0.375 in, 0.5 in, 1 in, 12.5 in
Overall Width (Metric)12.7 mm, 25.4 mm, 317.5 mm, 6.35 mm, 9.525 mm
Product ColorAmber
Shelf Life5 Year
Specifications MetRoHS 2011/65/EU, UL 510, UL Listed, UL Recognized

3M 1205 Features

  • Highly conformable with a pressure-sensitive, acrylic adhesive
  • Flame-retardant and has polyimide backing
  • Suitable for use as wave solder masking tape in a printed circuit board assembly
  • Designed for anchoring leads and terminal boards
  • Withstands a temperature rating of -40 to 311 °F (-40 to 155 °C)
  • UL Listed and RoHS Compliant

3M 1205 Applications

  • High-temperature electrical applications in which a tough, thin insulating material that is solvent-resistant is required for wrapping coils, transformers, capacitors, and wire harnesses.
  • It is also used as a cover layer material for many types of flexible printed circuits.
  • Cutting or slitting to the length and width required by the customers
  • Laminate liner or other materials
  • Die cut according to customer's drawing

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