Thermo Scientific™ screw cap micro tubes robust design and material selection are well suited for work with biologics and offer rich features, including ultra-clear externally threaded tubes and UV protective amber tubes. Options are available with or without a self-standing skirted bottom, non-knurl and knurled tubes for single hand operation, in 0.5mL, 1.5mL and 2.0mL sizes. A durable design incorporating an O-ring helps prevent leaks under demanding conditions.

• Free of RNase/DNase, human and mouse DNA, pyrogen & endotoxin, ATP, PCR inhibitor
• 100% virgin polypropylene resin specifically selected for high clarity and biologic applications
• EPDM O-ring design, thickness and material selection have been optimised to provide protective features for maximum sealing ability, biologic interaction and temperature capability
• Automated system compatible, whether automate is used for filling, capping or labelling the product is designed to withstand high torque pressures associated to automation, product design helps to address common automated issues like fissure cracks, bowl feeder jam, over/under torqued caps and cross threading
• Amber which provides ultra violet (UV) protection of 1.22% transmittance between 220 and 500nm
• Knurl tubes feature the ability to lock tube into specialty racks for single had operation; non-knurl tubes are ideal for automation and labelling, tubes are plain removed of any labelling interference
• RCF range from 18000 to 25000 x g
• Temperature range -80 to +95°C
• Short term storage in -80°C, -20°C, dry ice and wet ice
• Short term storage in vapor phase LN₂
• Suitable for a quick dip flash freeze in LN₂
• Water bath compatible up to +95°C