E-CR glass roving

Fiberglass manufacturer 3B-the fibreglass co.’s new E-CR glass roving, SE4740, is designed for acrylic resins.

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Fiberglass manufacturer 3B-the fibreglass co.’s (Battice, Belgium) new E-CR glass roving, SE4740, is designed for acrylic resins. Introduced at JEC Europe 2013, it reportedly enables the manufacture and production of glass-reinforced polymethyl methacrylate (PMMA) thermoplastic composites. The sizing for the glass roving was developed with the help of Arkema (Paris, France) and Chomarat (Le Cheylard, France). The fiber is said to provide good processability in weaving and knitting processes and is compatible with Arkema’s Altuglas acrylic resin system. It’s also compatible with thermoplastic resin transfer molding (RTM) and vacuum-assisted resin infusion (VARI). 3B also featured on its stand a composite leaf spring molded with epoxy/E-CR glass that is designed for use on Daimler, Volkswagen and Mercedes-Benz vans in Europe. The leaf spring offers an 80 percent weight savings, compared to traditional steel springs (26 kg vs. 5 kg/57 lb vs.11 lb), and it provides excellent fatigue resistance. 

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