3M™ 56 Polyester Film Electrical Tape (1219mm Master · Yellow)
3M™ 56 Polyester Film Electrical Tape (1219mm Master · Yellow)

$2.50 – $66.00 / 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™ 56 Polyester Film Electrical Tape (1219mm Master · Yellow)
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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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 #56-TW 3M™ Industrial Tape

3M™ 56 Polyester Film Electrical Tape (1219mm Master · Yellow)

3M™ 56 Polyester Film Electrical Tape (1219mm Master · Yellow)
THICKNESS · total0.058 mm2.3 mil
TEMP RANGE · continuous0°C to 130°C (32°F to 266°F) · UL Class 130°CContinuous service temperature
MASTER ROLL · max width1219 mmCustom slitting 1–1219 mm

$2.50 – $66.00 / finished roll (USD)Custom widths available ($200 deposit credited)

Thickness 0.058 mm (2.3 mil) · Temp. 0°C to 130°C (32°F to 266°F) · UL Class 130°C · 66 m per roll · Master width 1219 mm · Coil anchoring, capacitor layer insulation, transformer windings
Roll length: 66 m / roll

Master roll engineering specs (TDS)

DOC-TDS-3M-56-TW
Total thickness 0.058 mm (2.3 mil)
Max master width 1219 mm (CNC slitting 1–1219 mm)
Temperature range 0°C to 130°C (32°F to 266°F) · UL Class 130°C
Backing 1.0 mil (0.025 mm) yellow polyester (PET) film
Adhesive Thermosetting rubber pressure-sensitive adhesive
Typical applications Coil anchoring, capacitor layer insulation, transformer windings
SKU: 3M-56-TW-1219mm66M Category:

3M™ Polyester Film Electrical Tape 56 features a 1.0-mil yellow polyester film backing with a thermosetting rubber adhesive. Specially designed for outer wrapping and color-coded insulation in transformers, fractional horsepower motors, and electronic coil components requiring Class 130°C thermal performance and varnish resistance.

Key Performance Highlights

  • Vibrant yellow color provides immediate visual identification on transformer coils
  • Thermosetting rubber adhesive activates under heat to resist varnish and solvent penetration
  • Excellent edge-tear and puncture resistance during automated coil wrapping
  • UL Recognized Class 130°C component for electronic power supplies

Recommended Industrial Applications

Transformer outer wraps, color-coded coil phase insulation, fractional horsepower motor insulation

Authoritative Technical Specifications

Backing Material 1.0 mil (0.025 mm) yellow polyester (PET) film
Adhesive System Thermosetting rubber pressure-sensitive adhesive
Total Thickness 0.058 mm (2.3 mil)
Operating Temperature 0°C to 130°C (32°F to 266°F) · UL Class 130°C
Visual Color / Appearance Yellow (Opaque Polyester)
Dielectric / Flame Rating UL Recognized, File E17385 · 5,000 Volts dielectric breakdown
Precision Converting Precision Rotary Slitting, Die-Cutting, Custom Widths from 2mm to Log Width

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