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| 2011-01-31, 07:03 |
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BASF: New engineering plastics for the medical sector
 The new material grades could be employed for functional parts in devices such as insulin pens or powder inhalers as well as for plug-in connectors or handles. High-viscosity Ultraform For several years now, BASF’s S and W grades in the Ultraform PRO portfolio have been the company’s only engineering plastics for applications in medical technology. Ultraform N2320 003 PRO is a new injection-molding grade with a higher viscosity. It is well-suited for the production of thick-walled components that also make high requirements in terms of mechanical strength. Thanks to its high impact resistance and stiffness, this new Ultraform N grade may just be right for the manufacture of highly stressed elements such as functional parts in insulin pens, atomizing devices and dry-powder inhalers. Advert 
In contrast, the likewise new Ultraform® H4320 PRO has been tailored specifically for processing by extrusion at high ejection speeds. It has an even higher viscosity than the Ultraform N grade, it is more impactresistant while also being very stiff as well as strong, and it displays good thermal stability. Its target applications are plug-in connectors, handles of surgical instruments and other components in small production runs that are made from semi-finished parts. For the first time: An Ultradur for medical technology With its Ultradur B4520 PRO, BASF is launching its first PBT for injection-molded applications in medical technology. In the new Ultradur PRO, the well-known high dimensional stability of PBT has been combined with an optimized shrinkage behavior, so that this product now meets the stricter requirements made of the dimensional accuracy of components intended for medical devices. Other advantages of this material are that it absorbs very little water, is highly resistant to many chemicals, can be easily printed on and sterilized with ionizing (gamma) radiation or ethylene oxide. The combination of plastic parts made of Ultraform PRO and Ultradur PRO translates into additional synergisms: for instance, insulin pens with excellent sliding friction properties can be produced with these materials. Here, Ultraform PRO accounts for low friction between the individual functional parts while Ultradur PRO, as the sliding member, reliably prevents annoying noises during use. Comprehensive service package for medical technology When it comes to ensuring patient safety, it is indispensable to have a trusting and dependable cooperation between plastic manufacturers and producers of medical devices. With this in mind, BASF offers its plastics from the “PRO” family (PRO: profile covered raw materials only) together with a comprehensive service package that has been adapted specifically to the requirements of this market. Aside from support relating to applications technology, this package entails the explicit commitment that no changes will be made in the plastic formulation stored in the Drug Master File (DMF) at the FDA. In addition, BASF conducts numerous tests on the plastic granules of the PRO family so that customers can more easily obtain the necessary approvals for medical or pharmaceutical applications. This includes not only testing in accordance with the applicable international standards for medical technology (e.g. EU Pharmacopeia, US Pharmacopeia and DIN EN ISO 10993-5) but also a certificate of suitability for contact with food products. Additional certificates such as adherence to RoHS Directive 2002/95/EC, compliance with the REACH stipulations (EC Regulation No. 1907/2006) and the absence of heavy metals in accordance with CONEG (dated January 1, 1994) and EU Directive 94/62/EEC are likewise part of the service package. More Information: www.basf.com Pharmapack 2011, 23.-24.2. 2011, Paris, France |
BASF SE, Ludwigshafen, Germany
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