|
Products |
purity |
standard |
unit |
Application |
|
oxygen |
≥99.5 |
GB-T3863-1995 |
bottle/cylinder |
Steel cutting, welding, flame processing |
|
nitrogen |
≥99.5 |
GB-T3864-1996 |
bottle/cylinder |
Replacement gas and protection gas for chemical industry, metallurgy, and electric industry. |
|
hydrogen |
≥99.9 |
GB-T3634-1995 |
bottle/cylinder |
Chemical industry, glasses, synthetic cut stone. |
|
CO2 |
≥99.8 |
GB-6052-85 |
bottle/cylinder |
Chemical industry, welding, casting mold |
|
Helium |
≥99 |
GB/4844-95 |
bottle/cylinder |
Electronic industry, leak hunting, floating air balloon. |
|
C2H2 |
≥98 |
GB6819-1996 |
bottle/cylinder |
Welding, cutting, heating, organic raw materials |
|
propene |
≥99.5 |
Q/DY-98 |
KG |
Welding, cutting |
|
pure hydrogen |
≥99.99 |
GB/T7445-1995 |
bottle/cylinder |
Raw material gas, high-altitude weather balloon used in chemical industry. |
|
pure Helium |
≥99.995 |
GB/T4844.2-1995 |
bottle/cylinder |
Electronic industry, chemical industry, analysis |
|
Pure argon |
≥99.99 |
GB/T4842-95 |
Bottle |
Welding shielded welding, stainless steel smelting, container, steel structure manufacture, mold processing, etc. |
