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DuPont™ Selar®

Technical Information

The following guides are available in PDF format and can be viewed with Adobe® Acrobat Reader.

DuPont™ Selar® PA 3426 Blends With Nylon 6

Selar® PA 3426 is an amorphous nylon (polyamide) resin that provides:

  • Good O2 and CO2 barrier, especially at high humidities
  • Excellent optical properties
  • Melt strength superior to that of nylon 6
  • Wide range of processing temperatures
  • Ease and flexibility of processing

 

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DuPont™ Selar® PA 2072 Amorphous Nylon Resin Blends With EVOH

DuPont has developed a special grade of Selar® PA, known as 2072, which is specially designed for blending with EVOH. Selar® PA 2072 can be tumble-blended with most grades of ethylene vinyl alcohol copolymers to form blends that combine the excellent barrier properties of EVOH with the thermoforming properties, processing flexibility, and moisture insensitivity of Selar® PA. In addition, Selar® PA 2072 provides better adhesion in blends with EVOH than other grades of amorphous nylon, and this may allow convertors to employ less expensive adhesives.

 

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Selar® PA Barrier Resin Drying Guide

Selar® PA barrier resin is packaged dry in moisture-proof packages at 0.125% maximum moisture and can be extruded directly. However, Selar® PA resin does absorb moisture and should be dried if the bags have been opened, the resin has been exposed to relative humidities of greater than 50% for 1/2 hr or more, or the melt temperature exceeds 282°C (540°F). Typical drying temperatures are in the range of 80 to 95°C (175 to 205°F).

 

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DuPont™ Selar® PA Processing Guide

Coextrusion Blow Molding.

 

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DuPont Innovative Solutions for Extrusion Blow Molding

Advanced blow molding techniques, enhanced polymer formulations and creative conceptual solutions now allow more complex bottles and containers to be blow molded using specialty polymers.  These trends have led many companies to explore the use of specialty resins in order to strengthen their
offering, defend their competitive position, and also meet stringent application requirements.  We can help you create cost-effective solutions, increase your efficiencies and improve your sustainable
position.

 

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MSDS


In English, to meet U.S. regulations; for other needs, contact DuPont.



Selar® PA 2072 NC010

Selar® PA 3426 NC010

Selar® PA 3426R NC010