Nonwovens are fiber-based products in the form of a mat of randomly-orientated fibers, felt, needlepunched cloth, spun bond, or melt blown structures. Nonwoven fabrics are neither woven nor knitted. Instead, textiles are produced by grouping fibers together into a sheet and binding them with an adhesive or interlocking them with serrated needles. Traditional nonwovens are not suitable for stretching; however, the strength of nonwoven fabrics can be increased by adding a backing. Today, nonwovens are used in products such as filters, webs, mats and batts.
Nonwoven fabrics are made of synthetic fibers such as polypropylene or polyester. There are four basic types of products: carded nonwovens, needlepunched nonwovens, air-laid nonwovens, and wet-laid nonwovens. A carded nonwoven consists of stapled fibers which are separated and then carded or combed by passing them through cylinders made of wire covered with teeth. A carded nonwoven can blend different types of fibers and include multiple layers of fiber. A needlepunched nonwoven is formed by inserting barbed needles into the substrate, hooking tufted fibers through the substrate, and entangling those fibers in the needlepunched area. Needlepunched nonwovens are usually stronger and heavier than other nonwovens. Air-laid nonwovens are manufactured via a process that opens the fluff pulp and suspends these fibers in air in a forming system. The fibers are then deposited on a forming screen, the batting is bonded using an adhesive, and the fibers are dried. Wet-laid nonwovens are made in a process that is similar to papermaking. First, slurry is collected on a screen. Next, the water is removed between two rolls and the fabric is dried in an oven.
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Nonwovens Industry Magazine - News, Markets & Analysis for... News, Markets & Analysis for the Nonwovens Industry Subscribe ? General Nonwovens To Exhibit At Filtrex08 |
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Buyers' Guide - Excel Nonwovens - Nonwovens Industry Fabri Albis SpA Alfred Mank GmbH ALFREDO MODIANO ET FILA All Nippon Nonwovens Association (ANNA) Allasso Industries Allertex of America ALLSTATES |
| Part # | Distributor | Manufacturer | Product Category | Description |
|---|---|---|---|---|
| 6713-ND | Digi-Key | ITW Chemtronics | Static Control, Clean Room Products | ECONOWIPES NONWOVEN 12X13" 50PC |

