3M™ 1205 Polyimide Film Electrical Tape
3M™ 1205 Polyimide Film Electrical Tape

$6.00 – $173.00 / finished roll (USD)Custom widths available ($200 deposit credited)

Select options This product has multiple variants. The options may be chosen on the product page
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3M™ 1205 Polyimide Film Electrical Tape
FAST DISPATCH 48 h dispatch Stocked finished rolls shipped worldwide
CNC TOLERANCE ±0.1 mm tolerance Class-1000 cleanroom CNC slitting
TRACEABILITY 3M™ lot traceable Factory batch COA with every shipment
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We die-cut to your CAD drawing: shaped gaskets, FPC stiffeners, pull-tab liners, roll or sheet delivery with waste removed.

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01 Class-1000 cleanroom slitting · square edges, no adhesive squeeze-out
02 Individually sealed in anti-static PE bags with the factory lot number
03 Commercial invoice (CI), packing list (PL) and TDS included
3M™ GENUINE MASTER ROLL · SKU #1205 3M™ Industrial Tape

3M™ 1205 Polyimide Film Electrical Tape

3M™ 1205 Polyimide Film Electrical Tape
THICKNESS · total0.076 mm3.0 mil
TEMP RANGE · continuous-40°C to 155°C (-40°F to 311°F)Continuous service temperature
MASTER ROLL · max width635 mmCustom slitting 1–635 mm

$6.00 – $173.00 / finished roll (USD)Custom widths available ($200 deposit credited)

Thickness 0.076 mm (3.0 mil) · Temp. -40°C to 155°C (-40°F to 311°F) · 33 m per roll · Master width 635 mm · Solvent-exposed wave soldering, transformer coils, capacitor wrapping

Master roll engineering specs (TDS)

DOC-TDS-3M-1205
Total thickness 0.076 mm (3.0 mil)
Max master width 635 mm (CNC slitting 1–635 mm)
Temperature range -40°C to 155°C (-40°F to 311°F)
Backing 1.0 mil (0.025 mm) polyimide film
Adhesive Solvent-resistant acrylic pressure-sensitive adhesive
Typical applications Solvent-exposed wave soldering, transformer coils, capacitor wrapping
SKU: 3M-1205-635mm33M Category:

3M™ Polyimide Film Electrical Tape 1205 is an industrial electrical tape combining a 1.0-mil polyimide film backing with an aggressive, solvent-resistant acrylic adhesive. Engineered for wrapping transformers, capacitors, and wire harnesses requiring Class 155°C electrical insulation with exceptional resistance to chemical cleaning agents and varnish impregnation.

Key Performance Highlights

  • 1.0 mil polyimide film with aggressive solvent-resistant acrylic adhesive
  • UL Class 155°C (311°F) continuous thermal rating and UL 510 flame retardant
  • Resists solvent attack from varnish impregnation and circuit board washing fluids
  • Supplied on a removable liner for precision automated slitting and die-cutting

Recommended Industrial Applications

Transformer coil wrapping, capacitor layer insulation, lead anchoring, wave soldering

Authoritative Technical Specifications

Backing Material 1.0 mil (0.025 mm) polyimide film
Adhesive System Solvent-resistant acrylic pressure-sensitive adhesive
Total Thickness 0.076 mm (3.0 mil)
Operating Temperature -40°C to 155°C (-40°F to 311°F)
Visual Color / Appearance Amber / Translucent Gold
Dielectric / Flame Rating UL 510 Recognized, File E17385, UL Class 155°C
Precision Converting Precision Rotary Slitting, Die-Cutting, Custom Widths from 2mm to Log Width

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