Product Specifications
7440-59-7
He
231-168-5
Industrial Pure Air
Electronic Grade
Non-Flammable Gas
High Purity Material
Inorganic Reagent
7~15 Days
99.999% 99.9999%
20 Cylinders
1 Year
Colourless, Odourless
1046
Cga580 BS341.3
DOT/ISO/GB
15MPa/20MPa
Maotoogas
by Sea
40L 47L 50L
China
2804290000