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对更精更高过滤需求的不断增长导致了必须研制更精细的过滤材料。为了达到这一目的，贝卡特纤维技术公司不断扩大其纤维直径范围，最细的纤维直径可达到２微米以下。使用这种超细的纤维，可以加工出绝对孔经小于微米级的滤材。滤材的纳污性能也同时得以改善。本篇论文书就在聚脂熔体过滤和气体过滤两个领域中应用这种先进的滤材的一些性能加以讨论。同时还将讨论应用这种滤材在技术上和经济上的一些优点。
The ever-increasing demand for finer and higher filtration has led to the need to develop more elaborate filter materials. To achieve this goal, Bekaert Fiber Technologies continues to expand its fiber diameter range, the finest fiber diameter up to 2 microns or less. Use of this ultra-fine fibers, you can work out the absolute hole by less than micron-level filter. The dirt holding capacity of the filter material is also improved at the same time. This essay discusses some of the properties of this advanced filter media in the two areas of polyester melt filtration and gas filtration. It will also discuss some of the technical and economic advantages of using this filter media.