Reinforcing fi bres | additives feature
Building strength with the latest reinforcing fi bres
Suppliers of fi bres for reinforcing thermoplastic compounds are working hard to deliver products to meet requirements for improvements in physical, chemical and even electrical properties. Glass fi bres could be considered a mature technol- ogy, but some producers are still making strides in high-end products, and major investments are changing the supplier landscape. Unsurprisingly, there is much activity in carbon fi bre development, while one of the oldest materials on earth, basalt, is fi nding new life in thermoplastic composites too.
Glass action Owens Corning’s Performax SE4849 roving, introduced earlier this year, was developed specifi cally to provide improved adhesion between the fi bre and matrix in long-fi bre-reinforced thermoplastic polypropylene (LFT- PP) compounds. It uses the company’s boron-free Advantex glass fi bre, which combines the electrical and mechanical properties of traditional E-glass with the corrosion resistance and durability of E-CR glass.
www.compoundingworld.com Peter Mapleston reports on new
reinforcements for thermoplastics, including the latest developments in glass, carbon and basalt fi bres
Corey Melvin, the company’s product manager for
LFTs, says that Performax SE4849 roving has been designed for hot-melt compounding, pultrusion, and direct compounding (DLFT). It can also be used to produce unidirectional continuous fi bre reinforced thermoplastic (CFRT) tapes. “It provides additional opportunities to replace traditional metals in complex and often challenging structural and semi- structural automotive components,” Melvin claims. Performax SE4849 is also well-suited for a broad range of consumer goods applications, such as appliances and power tools. Further key product features cited by the producer
Lehmann &
Voss is one of a growing number of
compounders
to incorporate carbon fi bres into its high- performance materials
October 2014 | COMPOUNDING WORLD 27
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