The Amber 1 5mL Microcentrifuge Tubes are meticulously crafted for precision safety and versatility in biological and biochemical applications These sterile conical tubes are made from USP VI grade polypropylene offering exceptional chemical resistance and protection for photosensitive samples and specialized reagents The innovative lock cap design ensures secure sealing making these tubes a reliable choice for high-speed centrifugation and sample storage Key Features Amber Polypropylene Shields photosensitive samples and chemiluminescence reagents from light exposure Exceptional Strength Withstands high-speed centrifugation up to 30000 x g for superior separation efficiency Safe-Lock Cap Design Ensures secure sealing to prevent leakage during centrifugation or storage while remaining easy to open and close Sterile and Contaminant-Free Sterilized to maintain sample integrity RNase-free and endotoxin level less than 0 1 EU for sensitive applications Enhanced Usability Features cl