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over 50 women , pantone, couples over 50 , housewife porn , resident student, (uk, moms fucking videos , hairstyles over 50 , tee shirts, sexy moms fucking , asian milf movies , uk fashion shopping directory, marinas, scifi, best women's workout prices, older sex pictures , virtual, fuck older women , clothingand fashion, color trends, margarita king, book, | That reportedly helps give them a higher strength-to-weight ratio for reinforcing plastics. "Natural-fiber mats are being made now that give equivalent, if not higher, reinforcement than glass mat," says John Stoll, textiles v.p. of advanced technology for Astechnologies, Inc., Roswell, Ga. "For a bit more thickness, you can make a part reinforced with natural fiber that's as good as one textiles made with glass." In a headliner, he says, you typically need 10-15% more textiles natural fiber than you would glass. Efforts are afoot to boost properties of natural-fiber composites through improved resin-fiber coupling. "Impact strength can be significantly improved through improved bonding. One potential solution being evaluated is use of maleated PP," says Delphi's Shah. |
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Visteon is working mostly with kenaf and hemp blends and PP or TPO resins. Recycled resident student nylon 66 may also be used. Door inserts, package trays, and trunk liners are being developed for 2000-model Ford cars. Entire door-panel substrates are also in the works. Whereas wood-fiber composites compete largely with talc- or mica-filled PP in auto resident student parts, natural long-fiber composites are aiming at glass-fiber composites. Lingering health concerns about inhaling glass fibers is contributing to the trend in Europe. Natural fibers do not confer nearly as much impact resistance as glass fiber, except at very low temperatures. Also, natural fibers are limited to processing temperatures up to about 350 F. Disagreeable odors are emitted by some natural fibers if proper care is not taken in processing. However, natural fibers have specific gravities of 1.25-1.50 g/cc, versus 2.6 g/cc for glass. |
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