Bayer MaterialScience (Pittsburgh, PA) has introduced the Makrolon® Rx1851 medical-grade polycarbonate resin. This low-viscosity resin features enhanced internal mold release technology that is suitable for complicated parts, such as shallow draft angles and multi-cavity molds with long flow lengths. It meets the test requirements of the FDA-modified version of ISO 10993 with human tissue contact time of 30 days or less. Certain color formulations of the new grade also meet the requirements of the FDA-modified ISO 10993. Potential applications include components of syringes, IV access systems, and cardiovascular devices.
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