A base film for medical adhesive tape is described, which is obtained by laminating,
over one side or both sides of layer A composed of amorphous polyolefin, layer
B composed of a polypropylene-based resin. A medical adhesive tape equipped with
a pressure-sensitive adhesive layer on at least one side of the base film for medical
adhesive tape; an adhesive plaster obtained by rolling the medical adhesive tape
having the base film equipped with the pressure-sensitive adhesive layer; and a
first-aid adhesive tape comprising the medical adhesive tape having the base film
equipped with the pressure-sensitive adhesive layer and a liquid-absorbing pad
disposed in a central region of the pressure-sensitive adhesive layer are also described.
