MaxiRCF™ 50mL Conical Centrifuge Tubes – Sterile, Trace Metal Free, High-Purity Polypropylene, Leak-Proof Caps, 500 Pack

MaxiRCF™ 50mL Sterile Conical Centrifuge Tubes deliver uncompromising quality for high-volume, contamination-sensitive laboratory work. Manufactured from virgin USP Class VI medical-grade polypropylene, they are certified trace-metal-free (<1 ppb) for 18 interfering elements, ensuring reliable results in ICP-MS analysis, cell culture, and environmental testing. Sterilized under ISO 11137 to SAL 10⁻⁶, these tubes are packaged 25 per sterile bag, 20 bags per case of 500. Each tube features a leak-proof HDPE screw cap with no added metals or dyes, plus a large white marking spot. Rated for 20,000 × g and freezer-safe to -80°C, DNase-, RNase-, and pyrogen-free.