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How Nonwoven Fabrics Are Manufactured PDF Print E-mail
Fleece
Fleece
The manufacturing process begins by carding fibers and spreading them on a conveyor to form a "fleece". The type of fibers used (polyester, nylon, or rayon), the arrangement of the fibers (primarily all-bias), and the thickness of the fleece determine the individual product characteristics.

 

 

 

 

 

  

Bonding with Rollers
Bonding with Rollers
The next step is to bond the fibers together either chemically (binder bonded styles), thermally (point-sealed styles) or mechanically (needled fleece). As shown here, thermal bonding uses specially engraved rollers. Points on the rollers penetrate the fleece and bond the fibers together.

 

  

 

 

 


Adhesive
Paste System
The addition of adhesive to interfacing is a Freudenberg innovation. Most Pellon® fusible styles utilize a paste system. A liquid adhesive is pumped into a cylinder with precisely patterned holes. Using a doctor blade, the paste is forced through the perforations onto the interfacing in a precise Computer Dot® pattern. The adhesive is then dried and cured in a sintering oven.

 
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