3M™ 1318-1Y Polyester Film Electrical Tape (Yellow)
3M™ 1318-1Y Polyester Film Electrical Tape (Yellow)

$1.00 – $19.50 / 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™ 1318-1Y Polyester Film Electrical Tape (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 #1318-1Y 3M™ Industrial Tape

3M™ 1318-1Y Polyester Film Electrical Tape (Yellow)

3M™ 1318-1Y Polyester Film Electrical Tape (Yellow)
THICKNESS · total0.063 mm2.5 mil
TEMP RANGE · continuousUp to 130°C (266°F) · UL Class 130°CContinuous service temperature
MASTER ROLL · max width1219 mmCustom slitting 1–1219 mm

$1.00 – $19.50 / finished roll (USD)Custom widths available ($200 deposit credited)

Thickness 0.063 mm (2.5 mil) · Temp. Up to 130°C (266°F) · UL Class 130°C · 66 m per roll · Master width 1219 mm · Transformers, relay coils, solenoid wrapping
Roll length: 66 m / roll

Master roll engineering specs (TDS)

DOC-TDS-3M-1318-1Y
Total thickness 0.063 mm (2.5 mil)
Max master width 1219 mm (CNC slitting 1–1219 mm)
Temperature range Up to 130°C (266°F) · UL Class 130°C
Backing 1.0 mil (0.025 mm) yellow polyester (PET) film
Adhesive Solvent-resistant acrylic pressure-sensitive adhesive
Typical applications Transformers, relay coils, solenoid wrapping
SKU: 3M-1318-1Y-1219mm66M Category:

3M™ Polyester Film Electrical Tape 1318-1Y features a 1.0-mil yellow polyester film backing coated with an aggressive acrylic adhesive. Specially formulated for high-speed automated taping machines, it provides reliable Class 130°C insulation and excellent resistance to chemicals and varnishes.

Key Performance Highlights

  • Industry standard yellow color for electronic transformer outer wrapping
  • Solvent-resistant acrylic adhesive prevents edge lifting during varnish dip
  • UL Recognized Class 130°C insulation rating with 5,500V breakdown
  • High tensile strength and excellent automated dispensing characteristics

Recommended Industrial Applications

Transformer outer wraps, color-coded yellow phase insulation, motor lead wraps

Authoritative Technical Specifications

Backing Material 1.0 mil (0.025 mm) yellow polyester (PET) film
Adhesive System Solvent-resistant acrylic pressure-sensitive adhesive
Total Thickness 0.063 mm (2.5 mil)
Operating Temperature Up to 130°C (266°F) · UL Class 130°C
Visual Color / Appearance Yellow (1-mil Polyester)
Dielectric / Flame Rating UL Recognized, File E17385 · 5,500 Volts dielectric breakdown
Precision Converting Precision Rotary Slitting, Die-Cutting, Custom Widths from 2mm to Log Width

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