Superior features (image) 

• Internal thread provides the most optimal sealing for storage at ultra-low temperatures * Available Non-coded, Alphanumeric coded or with a unique 2D TraXis / Data-Matrix code (adhere to the ECC200 standard) * Alphanumeric codes, 2D codes and 1D rack barcodes are permanently laser etched * 2D barcodes also have a human-readable code * 100% quality control on all 2D codes * Available in bulk, refill, Roborack-96, Comorack-96 and Micronic 96-4 Rack (based on the global recognized ANSI / SLAS standards for storage racks) * Black code surface cannot be separated from the transparent tube due to the unique 2K injection molding technique * Class 7 clean room production * RNase/DNase and Pyrogen free 

  Available options * Amber tubes for light sensitive samples * Sterile, gamma radiated (15 kGy Avg.) or EtO treated * Snap tubes; tubes are locked into the rack wells to prevent sample loss from overturned racks * Precapped with (Low Profile) Screw Cap or Push Cap * Customized 2D Data-Matrix tube code and 1D rack barcode * Micronic also offers an identification label for the 1.40ml tubes (round bottom) in Comorack. The label needs to be placed in the rack so that the information about the samples inside can be identified visually.