Microcentrifuge Tubes KIRGEN // KG2911 // 2.0 ml microcentrifuge tube, clear, graduated // 500/unit, 10 units/case KIRGEN // KG2211 // 1.5 ml microcentrifuge tube, clear, graduated // 500 pcs/bag, 10 bag/case • We have set a rigorous examination system to ensure all tubes meet the relevant international standard to satisfy your need; test index include leakproofness, centrifugal force, tube wall rigidity, cap-touch comfort, etc. • Our microcentrifuge tubes are made from high-quality PP materials with extensive chemical compatibility; Atutoclavable and sterilized. Withstand a max centrifugal force to 25,000×g, DNAse/RNAse free, non-pyrogens. • No release agent and surface coating used in production process. Ultra-smooth inner wall to reduce sample attachment . • No heavy metal element and organics contained in colorful tubes. Lock design to ensure leakproofness . • High-quality raw materials, ultra-clear wall, easy to observe.