| abstract |
A medical-use extrusion-molded two-layered tube for medical use which is made by extruding a bonded member for medical treatment from the outside and blocking and bonding by heating, wherein the inner layer is made of polyethylene, polypropylene, a styrene-based elastomer, an olefin- A material having a melting point lower than or equal to the heating temperature is used as an outer layer and a material mainly composed of a mixture of these materials is a polypropylene, a styrene elastomer, an olefin elastomer, Wherein the material having a melting point exceeding the heating temperature is used and the thickness of the outer layer is 2% to 5% with respect to the whole thickness of the tube. |