Freudenberg Launches Synthetic Wet-laid Nonwovens For Filtration

Freudenberg Performance Materials unveiled a new 100% synthetic wet-laid nonwoven product line made in Germany. The new materials can be manufactured from various types of polymer-based fibers, including ultra-fine microfibers. These unique wet-laid materials from Freudenberg are designed for use in filtration applications as well as other industrial applications. This product line rounds off the wide range of wet-laid nonwoven capabilities from the leading manufacturer of high-performance materials.

Customers in the filtration business can use Freudenberg’s new fully synthetic wet-laid nonwovens in both liquid and air filtration. Applications include reverse osmosis membrane support, support for nanofibers or PTFE membranes as well as oil filtration media. The new materials are suited to use in the building & construction industry or the composites industry. 

For filtration applications, the new fully synthetic wet-laid nonwovens are marketed under the Filtura® brand. 

Versatile and Flexible Manufacturing 

Freudenberg’s fully synthetic wet-laid nonwovens can be made of polyester, polyolefin, polyamide and polyvinyl alcohol (PVA), using staple fibers of up to 12mm fiber length and microfibers as fine as 0.04dtex. In terms of weight, the product range spans weights of between 8g/m² and 250g/m². Freudenberg’s flexible wet-laid manufacturing line has the capability to combine various thermal and chemical bonding technologies. The materials have high precision in weight and thickness, a defined pore size, and high porosity.  

Wide Range of Wet-laid Capabilities for Various Applications 

In addition to its fully synthetic range, Freudenberg can also incorporate glass fibers, viscose and cellulose. General industry applications for Freudenberg wet-laid nonwovens are surfacing veils for glass-fiber reinforced plastics, compostable desiccant bags, battery separators, acoustics, heatshields, and apparel applications such as embroidery substrates. 

Source: Freudenberg

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