3M ET4525X55 Polyester Film Tape Transparent 55 m x 25 mm

This 3M polyester film tape stands out for its silicone adhesive, which delivers clean removal and dependable performance in high-temperature masking, electrical insulation, splicing, and powder coating. The transparent backing keeps the application discreet while providing a conformable, chemical-resistant barrier.

Highlights

• 55 m roll length and 25 mm width
• Total thickness 0.061 mm (2.4 mil)
• Withstands temperatures up to 204 °C (400 °F)
• Dielectric strength 5.5 kV
• Adhesion to steel 2.8 N/10mm (25 oz/in)
• Tensile strength 52 N/10mm (30 lbs/in)
• Elongation at break 100%
• 3-inch core diameter
• Good UV and chemical resistance

In daily use

The silicone adhesive releases cleanly from most surfaces, reducing residue and rework. The polyester backing is thin enough to conform around edges and contours, yet tough enough to resist tearing during application. It performs consistently in demanding environments where standard tapes fail.

Full specifications

• Product type: Polyester film tape
• Backing material: Polyester film
• Adhesive type: Silicone
• Colour: Transparent
• Tape length: 55 m
• Tape width: 25 mm
• Total tape thickness: 0.061 mm (2.4 mil)
• Maximum operating temperature: 204 °C (400 °F)
• Dielectric strength: 5.5 kV
• Adhesion to steel: 2.8 N/10mm (25 oz/in)
• Tensile strength: 52 N/10mm (30 lbs/in)
• Elongation at break: 100%
• Core diameter: 76.2 mm (3 inch)
• UV resistance: Good
• Chemical resistance: Good

Final note

A reliable choice for high-temperature and electrical applications where clean removal and durability are essential.