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AGY has launched a new glass fibre biomaterial reinforcement for the medical device implant market. HPB glass fibre is said to be suitable for long-term implant applications of more than 30 days and is compatible with a wide range of thermoplastic polymers, such as polyetheretherketone (PEEK),polyethyleneimine (PEI) and polyphenylene sulphide (PPS). In addition to biocompatibility, HPB glass fibre offers superior impact, tensile strength and modulus mechanical properties over standard glass fibre products. HPB glass fibres exhibit 40 % higher tensile strength and 20 % higher tensile modulus compared with ordinary E-glass fibres. The high elastic resistance of HPB glass fibre enables medical or dental devices to be developed for extended long-term implant requirements. The company has already been successful in multiple composite applications for the oral environment, such as orthodontics and dental implants, crowns and bridges, and is also pursuing other proprietary medical device applications that demand a biocompatible structural composite reinforcement, such as orthopaedics. HPB glass fibre uses a proprietary glass processing technology and is available in a wide range of chopped, yarn and roving formats, according to customer requirements. It is part of the S-3 Glass fibre range of special-grade products that have properties specifically tailored for high-performance applications.