| 摘要 |
<p>Provided is a laminated tube having a logarithmic decrement of at least 0.08 and a flexural modulus of at least 1,000 kg/mm<2> and comprising at least 2 layers which comprise a composite material comprising a reinforcing fiber and a matrix resin. The reinforcing fibers used include an organic fiber, e.g. wholly aromatic polyester fibers and polyvinyl alcohol fiber, for at least 1 layer of the composite material layer and an inorganic fiber, e.g. carbon fiber and glass fiber, for at least 1 layer of the composite material layer. <IMAGE></p> |
