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The high modulus polypropylene fiber from Innegra will be available on January

News International-French

6 Dec 2011

Innegra Technologies LLC announced on the 1st of December that its Innegra S Fiber is in production and will be available for purchase in January of 2012. The high modulus polypropylene fiber technology provides a significant reduction in weight for composites while increasing the ability to absorb energy when combined with other fibers.

After reviewing customers' feedback and internal quality systems, Innegra Technologies has issued standard product characteristics. The Innegra team is committed to delivering to customers consistently high quality fiber with responsive service. “I am excited to be improving our production capability, which allows us to deliver a more consistent and higher quality product to our customers,” commented Dr. Elizabeth Cates, Director of Research and Development for Innegra Technologies.


Robert Castellani, Chairman of Circle Creek Holdings, LLC stated, “Resuming production is a key milestone for our team. Our focus is on both development of the Innegra S fiber and improving our technical support capabilities.”


 The company released the following specifications for the current untwisted fiber:


  2800 denier fiber 940 denier fiber
Denier +/- 10% +/- 10%
Density 0.84 g/cc 0.84 g/cc
Tenacity* 8.0 g/d 8.0 g/d
Elongation* 9.5% 9.5%
E-modulus* 200g/d 200g/d

* ASTM D2256


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