亚洲大香线伊人婷婷五月-双性攻h文-五月天天丁香婷婷在线中-一级毛片免费试看-雷电将军与丘丘人繁衍后代中文版-久久精品国产亚洲a∨蜜臀-国内久久婷婷五月综合趴-亚洲欧美另类精品久久久-粉嫩一区二区三区国产精品

Quality Standard：

Properties：
Carbon Tetrafluoride is colorless，odorless，non-combustible and high compressibility gas in normal conditions；high volatility；most stable organic compound；insolubility in water.
Application：
Carbon Tetrafluoride is one of the largest comsumption kinds of plasma etching gases in microelectronics industry at present，also widely used in surface cleaning of electronic device，production of solar cell，aser technology，gas phase insulation，subzero refrigeration，leakage inspection agent and detergent inprinted circuit production.
Storage：
In cool，and ventilated storehouse. Temperature should not be higher than 30℃ in storehouse. Keep from fire and heat. Avoid direct sunlight. It should be kept away from inflammable materials.
Transport：
Level one inorganic sour corrosion substance.
Packing：
It is filled in seamless steel cylinder and aluminium alloy container. It is normally filled in 47L，40L，10L，8L seamless steel cylinder. The pressure is 12.5MPa. Also can be filled on consumers’ requests.