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New Long Glass Fibre Polypropylene Concentrate

  • Friday, 9th December 2005
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  • Reading time: about 2 minutes

To meet the needs of customers making the transition from conventional moulding to dilution technology for technically demanding injection mouldings, Borealis has launched Nepol GB600HP-9502.

There is a growing trend to use dilution technology as a cost effective route for technically demanding injection moulded applications. This technology reduces the quantity of compounded material used by diluting a concentrated long, glass fibre compound (concentrate) with reactor polypropylene (PP) at the injection moulding stage.

Nepol GB600HP-9502 is designed for use in combination with specially developed dilution PP BJ100HP reactor compound. These can be injection moulded on a standard machine fitted with metering and mixing equipment. Through appropriate dosing of the polymers, a glass fibre content in the range of 20-40% can be achieved in the final part. This product combination includes an additive package with components for long-term temperature resistance and processing stability, as well as for the optimum coupling of polymer and glass fibre to ensure high stiffness and impact strength in the moulded part.

Initially, the Nepol GB600HP-9502 and BJ100HP development is directed towards serving the automotive industry where dilution technology is widely used in the injection moulding of load bearing parts. Typically these include black structural components such as carriers for front-ends, instrument panels and for side door modules. Especially when the combination of load bearing and water or humidity resistance is required, these materials can replace metal and save weight.


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