3M™ Polyurethane Protective Tape 8561 is a transparent tape constructed with a long-aging, solvent-resistant, pressure-sensitive, acrylic adhesive. It has good environmental resistance properties and has been used to isolate and protect substrates from environmental damage and corrosive elements. It is commonly used in the aircraft industry as an erosion and impact resistant protective tape. Provided on a white paper liner for ease of converting into custom shapes.