Virgin Class VI medical grade PP. For storage in virtually any laboratory condition, from room temperature through the vapour phase of liquid nitrogen. A permanently bonded, unique 2D barcode is laser-etched onto the base of every tube for secure identification and sample tracking.

• All barcodes are checked against the database of previously assigned codes to prevent duplicates
• Every tube is leak tested
• Internally threaded single-piece caps with moulded-in gaskets that cannot be over-tightened manually or with automated capping tools
• Free from DNA, RNAse, DNAse and endotoxins
• Temperature resistant from −180 to +121 °C