roving

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PARIS, March 12, 2014 /PRNewswire/ -- Owens Corning (NYSE: OC), a leading global producer of glass fiber reinforcements for composite systems, today introduced its new ME 3060 roving at the JEC Europe show and conferences.
Also, this technology allows the company to use lower-cost glass rovings in place of mats, which also reduces handling problems for workers.
roving for LFT PP ,designed forlong fiber reinforced thermoplastic polypropylene (LFT PP)used in hot-melt compounding, pultrusion, direct compounding processes, and continuous fiber reinforced thermoplastic tapes.
Daimler-Chrysler, which patented the combination of abaca and PP, and Manila Cordage in the Philippines, which makes the abaca fiber roving, were co-winners of the JEC award.
Hybon 6400 roving is designed to perform better than standard rovings in low-styrene resin systems, Williams said.
The company offers filaments of 9 to 22 microns, yarns and rovings from 320 to 4800 tex, plus chopped fibers and woven and nonwoven fabrics i meter wide.
Advanced Glassfiber Yarns introduced heavier weights of two high-strength glass rovings.
First, continuous glass rovings are fed directly into the barrel of a twin-screw extruder at a point midway down the barrel where it meets molten PP.
Newer technologies of the last three to five years feed continuous glass rovings, which are cut to length by a cutter or the extruder screw.
Meridian uses four robots, each with two choppers, to lay down the rovings.
It offers direct-draw rovings for epoxies and polyesters, spray-up rovings, mats, woven rovings, yarn, and yarn fabrics.
The patented feeding device preheats and impregnates the rovings with a low-viscosity polymer to aid dispersion.