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still for framstellning of kraft paper on a flerviramaskin still for framstellning of kraft paper on a flerviramaskin
still for framstellning of kraft paper on a flerviramaskin still for framstellning of kraft paper on a flerviramaskin
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机译:仍用于在多病毒机器上生产牛皮纸仍用于在多病毒机器上生产牛皮纸
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摘要
A process for manufacturing of kraft paper, especially kraft sack paper, on a multi-wire machine in which the web is dried by a combined cylinder drying and free drying and is optionally creped or micro-creped and optionally also glazed. By forming the web into two or more layers which are couched together in the wire part of the machine and subsequent shrinkage in order to obtain a stretch at break of at least 2.5% in the machine direction and of at least 5% in the tranverse direction, improved strength properties are provided.
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