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        ["377","394","1149","1152","1508"]

        Overmolding: TPE Selection

        GLS? Product Line?

        There are a variety of GLS? soft touch TPEs designed to have excellent adhesion to a number of rigid plastic substrates. The table below summarizes the standard grades that are currently available and their corresponding substrates.

        If you do not see your substrate in this table, please?contact?GLS directly; we can develop a custom TPE that is optimized to bond to your specific substrate.

        Substrate

        Typical Applications

        Recommended TPEs

        Polypropylene

        Personal Care - Toothbrushes, Razors, Pens, Sports-Grips, Handles, Knobs, Flaps, Power & Hand Tool Handles, Grips, Caster Wheels

        Dynaflex
        Kraton
        Versaflex CL
        Versalloy XL

        ABS

        Housewares, Toys, Portable Electronics, Grips, Handles, Knobs

        Versaflex OM
        Versollan OM

        Polycarbonate

        Handheld Electronics, Business Equipment Housings, Sporting Goods, Healthcare Devices, Hand and Power Tools, Telecommunications and Business Machines

        Versaflex OM
        Versollan OM

        PC/ABS

        Housewares, Toys, Portable Electronics, Grips, Handles, Knobs, Hand and Power Tools, Sports and Leisure Equipment, Telecommunications and Business Machines

        Versaflex OM
        Versollan OM

        Nylon 6 and 6/6

        Hardware, Lawn and Garden Tools, Power Tools

        Versaflex OM

        Propionate

        Toothbrush Handles, Eyewear, Cosmetic Packaging

        Versaflex OM

        Copolyester

        Toothbrush Handles, Cosmetic Packaging

        Versaflex OM

        ?

        Material Flow Behavior? ? ?

        GLS overmolding TPEs are shear responsive, thus their viscosity is reduced when they are processed at high shear rates. This allows for easy flow into thin-walled sections commonly encountered in over-molding applications. The figure below illustrates the effect of shear rate on the viscosity of GLS overmolding TPEs. For the viscosity of a specific grade, refer to the individual Product Technical Datasheet.

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