Bio Plas 4058 2 ml G - Tube, Flat Top Microcentrifuge Tube - 500 pk - Amber
. Color: AmberThe G-Tube is virtually transparent and far exceeds the toughness of any microcentrifuge tubes. When the G-Tube cap is closed there will be an audible snap that indicates a secure closure has been formed. Made of tough clear propietarily formulated polypropylene the G-Tube has the same chemical resistant quality as standard tubes but they re sturdier and virtually transparent to give a better view. The flat top cap is easy to open and still provides a maximum secure seal. The G-Tube is built for high impact usage and will withstand over 30 000 x g when spun. Thicker walls make this the tube of choice for extreme stress high spinning speeds autoclaving boiling chemical resistance and freezing. The G-Tube will withstand temperature ranges of -80 C (-112 F) to 121 C (250 F).