世界非织造过滤材料的现状和未来

非织造布被广泛应用于空气及液体过滤 ,全球以每年高于 1 0 %的增长率迅猛发展。 1 999年过滤介质的总销售额为 8 2 6亿美元 ,北美约占 4 0 % ;用即弃型、滤芯型和供气型呼吸器的销售额依次占有呼吸器销售总额的 3 9%、3 4 %和 2 2 % ,3M公司占有 84 %的市场份额。按非织造布加工工艺分 ,熔喷法滤材发展最快 ,其次是针刺法 ,其他方法发展甚微 ,而湿法略有下降。

Present and Future in the World Nonwovens Filtration Industry

Nonwovens have been widely used in air and liquid filtration, they have more than 10% annual growth worldwide. The total sales of filtration media were $826M, 40% was in N. America. The sales amount of disposables, cartridge, supplied air and powered air account for the total sales of the respirator in turn were 39%, 34% and 22%, 3M company shared the 84% market. According to the nonwovens process, meltbown has a solid growth, needle punched has a second growth rate, the growth of other methods have only small and the wetlaid has down.