| 摘要 |
<p>A method of disposing waste magnetic tapes, characterized in that the waste magnetic tapes such as video tapes and cassette tapes are cut or crushed into pieces each having a length of 1 - 50 mm and heated at 100 - 200 °C to be shrunk into curled shapes, and a method of manufacturing a construction material board, characterized in that waste magnetic tapes such as video tapes and cassette tapes are cut or crushed into pieces each having suitable sizes, heated and after the addition of a binder thereto are molded under pressure.</p> |
