These pipet tips are made from virgin polypropylene material and are precision molded for an airtight fit using state-of-the-art molds and molding methods to preserve non-wettability in the final product. A mold release agent is NOT used in the manufacturing of these pipet tips. Metal-free Tips: All materials used in the manufacture of these tips are free of trace metals. A trace metal certificate is available upon request. Certified Pipet Tips: Tested by an independent laboratory and certified to be RNAse-, DNAse-, and pyrogen-free. (Non-sterilized product is not certified as pyrogen-free.) Certificate of analysis is available upon request. Sterile Tips: All sterile tips are sterilized in accordance with AAMI guidelines by gamma irradiation. Certificate of irradiation available upon request.
Autoclavable Tips & Racks: Pipet tips and racks are autoclavable at a recommended temperature of 120°C at 15 pounds of pressure for 15 minutes. Graduated Tips: Provides reference lines to allow a quick check of pipetting procedures by indicating nominal liquid volume in the tip. For use with but not limited to: Pipetman®, Costar®, Eppendorf®, Finnpipette®, Nichiryo, Oxford-Benchmate®, Rainin EDP2™, SMI Airpettor, Socorex®, Titertek®, Volac, and GeneMate®. Stack Rack comes with 2 stacks of 5 trays of 100 tips each.