| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a refrigerant transportation hose which is excellent in acid resistance and capable of suppressing a crack of the hose to achieve excellent bending durability. <P>SOLUTION: The refrigerant transportation hose includes a tubular inner layer 1 in contact with a fluorine based refrigerant, an intermediate layer 2 formed on an outer circumferential surface thereof, and at least one rubber layer 3, 5 formed on an outer circumference thereof, the inner layer 1 is made from an inner layer material containing polypropylene as the main component, the intermediate layer 2 is made from an intermediate layer material containing polyamide as the main component, and the inner layer material contains an acid acceptor. <P>COPYRIGHT: (C)2012,JPO&INPIT |
