| 摘要 |
Welding monoaxially stretched renewable raw materials, comprises (a) providing surfaces to be welded made of at least partially stretched raw materials, and (b) welding the surfaces by hot wedge welding, friction welding, laser welding, high frequency welding or ultrasonic welding. An independent claim is also included for a self-weldable strapping band exhibiting a tensile strength of at least 5 N/mm 2>, measured according to DIN 53540, produced by the above method. |
