Feature●【PERFECT SUBSTITUTE】The cube made of tetrafluoroethylene is used to replace the collection of fluorine. As the simple substance of fluorine is generally difficult to collect, tetrafluoroethylene, which has high fluorine content and is very stable, is most suitable.●【SIZE】 10mm side PTFE cube.●【NOTE】 Since tetrafluoroethylene is difficult to engrave, the text is printed by special methods. Note that the text is stable without being corroded by force and chemical substances, but do not dig hard.●【BOXED】Exquisite, high transparent acrylic box packaging.●【PURPOSE】 It is applicable to desktop decoration, office and home decoration can also be used as collection or DIY raw materials.Description 【PERFECT SUBSTITUTE】The cube made of tetrafluoroethylene is used to replace the collection of fluorine. As the simple substance of fluorine is generally difficult to collect, tetrafluoroethylene, which has high fluorine content and is very stable, is most suitable.