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A leading North American manufacturer of polypropylene (PP) hose for medical applications, including laser surgery, respiratory care and sleep apnea equipment, faced a challenge with its existing thermoplastic vulcanizate (TPV). The Avient team assessed the application’s technical and operational requirements, and recommended a GLS™ Versalloy™ alloy in 45 Shore A durometer, an FDA-compliant medical TPV grade designed for overmolding onto PP.

A leading North American manufacturer of polypropylene (PP) hose for medical applications, including laser surgery, respiratory care and sleep apnea equipment, faced a challenge with its existing thermoplastic vulcanizate (TPV). The Avient team assessed the application’s technical and operational requirements, and recommended a GLS™ Versalloy™ alloy in 45 Shore A durometer, an FDA-compliant medical TPV grade designed for overmolding onto PP.

A leading North American manufacturer of polypropylene (PP) hose for medical applications, including laser surgery, respiratory care and sleep apnea equipment, faced a challenge with its existing thermoplastic vulcanizate (TPV). The Avient team assessed the application’s technical and operational requirements, and recommended a GLS™ Versalloy™ alloy in 45 Shore A durometer, an FDA-compliant medical TPV grade designed for overmolding onto PP.

SHANGHAI, China – 2022年11月1日 – Avient today announced the addition of new high-impact polypropylene (PP) based grades to its Gravi-Tech™ density modified portfolio. Avient’s portfolio of Gravi-Tech materials combine the aesthetics of metals with the superior processability of polypropylene (PP), acrylic butadiene styrene (ABS), polyamide (PA), polybutylene terephthalate (PBT), polyphenylene sulfide (PPS), and other thermoplastic materials.

While polypropylene (PP) is widely accepted in the packaging industry, it has higher shrinkage rates than ABS, making it challenging to use as a direct replacement for existing molds.   To enable customers to use their existing ABS molds, Avient has developed new PP-based grades with comparable shrinkage to traditionally used ABS materials.

If local and regional customers require, these Complēt and OnForce formulations can be tailored to meet specific application requirements by utilizing a range of engineering resins, from polypropylene (PP) and acrylonitrile butadiene styrene (ABS) to polyphenylene sulfide (PPS) and polyphthalamide (PPA) for power tools, sports equipment, utility vehicle, furniture, and outdoor recreation applications.

Eight of the new grades can be overmolded on polypropylene (PP) and the ninth grade bonds to both PP and polyethylene (PE).