Test Tube with Lid - Polystyrene plastic
Test tubes for wet chemical testing your minerals or any other chemistry that doesn't need too much heat. They can be handy for storing some specimens too. These are made of Polystyrene plastic for high chemical resistance, they are brittle like glass though. High quality, round base, non-sterile tubes with a plastic stopper. These are 75mm tall (84mm with stopper in place) and 12mm wide.