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3M™ Polyurethane Protective Tape 8561 – Polyurethane protective tape – aerospace, aircraft production, surface protection, erosion resistance

  • Item Name: 3M™ Polyurethane Protective Tape 8561

  • Manufacturer: 3M

  • Technologies: Thermoplastic polyurethane elastomer backing, acrylic adhesive, solvent resistant

  • Color: Transparent

  • Cure Type: Pressure sensitive (self-adhesive, no curing required)

  • Package Size: Commonly 1–4 in x 36 yd, 14 mil thickness, with liner

  • Shelf Life: Not specified in source

1. Product Overview
3M™ Polyurethane Protective Tape 8561 is a transparent, 14 mil thick thermoplastic polyurethane elastomer tape. It combines a tough polyurethane backing with an acrylic adhesive that delivers consistent adhesion, resists solvents, and enables clean removal when needed. Designed for indoor use, it provides excellent resistance to abrasion, scratching, puncture, and minor erosion, making it a durable protective solution for critical surfaces. Its thin, conformable nature allows easy application over curves, and it can be painted over or applied onto painted substrates. The tape is qualified to aerospace specifications, ensuring high reliability and performance in demanding environments.

2. Applications

  • Leading-edge erosion protection in aerospace production and maintenance

  • Surface protection against minor abrasion, scratching, puncture, and wear

  • Protective overlay for painted or curved surfaces

  • Industrial uses requiring long-aging, solvent-resistant adhesion

3. Typical Properties

Property Description
Thickness 14 mil (polyurethane backing with acrylic adhesive)
Material Thermoplastic polyurethane elastomer
Adhesive Type Acrylic, solvent-resistant, long-aging
Appearance Transparent with polyethylene liner
Key Resistances Abrasion, scratch, puncture, erosion, minor tearing
Application Characteristics Thin, conformable; easy to apply; paintable over or onto painted surfaces
Qualification Meets aerospace specifications for reliability and performance
Adhesion Performance Retains consistent adhesion over time, yet removes cleanly when required

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