Six characteristics of wet-laid non woven fabrics：
The water consumption in the production of wet textiles is low. As the transmission medium of fiber, water is recycled in the system, will not be decomposed, and will not cause any damage and waste to water resources. The production process of small paper making is simple, there is no waste water recycling, and the production waste water is directly discharged. Popularizing the use of this technology can reduce the excessive use of water resources in small paper making, and can effectively protect water resources.
Small size pulp production process is simple, there is no waste water recycling, and waste water is directly discharged. Popularizing the use of this technology can reduce the excessive use of water resources in small-scale paperm aking, and can effectively protect water resources.
The wet-laid non woven process can make full use of the existing paper making equipment, and can realize the production of non woven without major technical transformation. This process is free of dust, waste gas and waste water during the whole process from putting into use to putting products into storage, which provides a practical technology for small paper making to control environmental pollution and develop new products.
For disposable products and packaging materials prone to white pollution, additives can be added to improve their degradability, or functional materials can be used to improve their recyclability, so as to reduce recycling costs. It is conducive to the recycling of resources and the reduction of white pollution.
Wet process non-woven fabric has good adaptability to raw materials due to its reticulation technology characteristics. It can conduct reasonable process design according to the use of products, and widely select fiber raw materials. There are also polyester, polypropylene, vinylon, viscose fiber, glass fiber, etc. It can be mixed separately or in proportion to make the product have specific efficacy. China is not short of raw material manufacturers, whose raw materials are widely sourced.
Wet process non woven fabric is a new type of fiber product, which is very different from woven fabric and knitted fabric. It is mainly composed of fiber mesh (non yarn network). By selecting different fiber raw materials, using different processing technologies, and then through different post-treatment processes, fiber products with various uses can be produced, which are very widely used.
The wet-laid non woven fabric has the characteristics of fast web forming, short process flow, high labor productivity and low cost. Its labor productivity is 10-20 times of that of dry process, and its production cost is only 60-70% of that of dry process. It has greater competitiveness and better economic benefits in the market. At present, the total production of non-woven fabrics in various countries has exceeded 30% and is still increasing. The production level of wet non woven fabrics in China is less than 5%, which has a large potential market compared with developed countries.
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