| 摘要 |
<p>An extrusion die, which can be produced and reclaimed precisely, quickly and easily in an economical way, has thin patition walls, a light weight, a high abrasive-resistant property and a prolonged life. The die comprises a matrix (2) having olits (5) and a composite plating film (8) composed of an abrasive-resistant layer (10) plated on an electroless plated layer (9) arranged on the surfaces of the slits (5).</p> |
