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Thumbnail:Title: Introduction to the principles of non-woven bags _mqozsl_mqozsl of materialContents: Introduction to the principles of non-woven bags Material [original 2014-3-24 15:08:25] Word Count: About woven bags woven material principle is a non-woven fabric, it has a direct use of polymer chips short fibers or filaments formed by various web forming method and consolidation technology with soft, breathable new fiber products and flat structures. Advantages: Non-woven bags cheap, environmentally friendly and practical, widely used, there is prominent advertising. Applicable to all types of business activities and exhibition fairs, enterprises and institutions is the ideal advertising promotional gifts. The raw material is a polypropylene non-woven fabric, and plastic raw materials are polyethylene, although the name is similar to the two substances, but are very different in chemical structure. The