CELSTRAN PA66-SF50-02 AF3001 PA66 
The Celstran PA66-SF50-02 AF3001 Natural is a 50% by weight stainless steel fiber concentrate. This product is intended to be used at levels from 6% to 40% in combination with neat or filled PA66 to achieve the desired level of electrostatic dissipation (ESD) and electromagnetic interference (EMI)/ radio frequency interference (RFI) shielding. The resulting formulation will yield stainless steel levels of 3% to 20%.

'Long Stainless Fiber' materials have a significant advantage over short stainless fiber filled plastics. Conductivity properties increase by nearly 100 times when comparing to similliar loadings. 
 

Celstran long fiber reinforced thermoplastics (LFRT) are produced by pultrusion technology in which the long fibers are fully impregnated thus delivering optimal reinforcement to the plastic matrix. Unlike conventional short-fiber reinforced materials, the longer fibers present in molded parts of Celstran LFRT mechanically interact with each other to form an internal glass fiber “skeleton” that limits anisotropic shrinkage and greatly reduces warpage.

The LFRT technology is not just limited to glass. It may employ glass fibers, stainless steel, carbon, aramid or other reinforcing fibers to deliver the property balance required for a wide range of demanding uses. Stainless steel fibers can be used to make components conductive for static dissipation or EMI/RFI shielding, and carbon fiber or aramid fiber reinforcements can provide materials of even lower density than those reinforced with glass fibers. Hybrid fiber compositions are also available. Many different polymer feedstocks, from polypropylene and nylon to polyurethane, are used in this versatile technology.

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