| 摘要 |
<p>In order to provide a water system hose superior in heat resistance and water resistance, a water system hose of the present invention is provided with an inner layer (1) and an outer layer (2) formed on the outer periphery of the inner layer (1), wherein the inner layer (1) is made of an ethylene-propylene based rubber composition containing the following (A) and (B), the outer layer (2) is made of an acrylic rubber composition containing the following (a) and (b), and the inner layer (1) and the outer layer (2) are adhered by a silane based adhesive agent. (A) Ethylene-propylene based rubber. (B) Cross-linking agent. (a) Acrylic rubber. (b) Carbon black having a hydroxyl group on its surface.</p> |
