Qingdao Ruifeng Gas Co., Ltd.

Chemical Process Equipment Parts
High purity helium gas

High purity helium gas

The purity is 99.9% and 99.999%. Gas Name   Chemical Formula  Specification%   Impurity ppm   Helium   He   99.995    TCH4≤1 CO2≤1 Ne≤10 H2≤3 CO≤1 H2O≤10   99.999    O2≤1 TCH4≤1 CO2≤0.5 Ne≤4...



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