It can be used as shielding gas for welding, foaming agent in alkali industry and sugar industry, plastic industry. , Sterilization, sterilization, filled in sealed cans to save food, dry ice, etc.
Item
Index
Carbon dioxide content (volume fraction) ≥
99
99.5
99.9
Oil content
Qualified according to 4.4
Qualified according to 4.4
Qualified according to 4.4
Carbon monoxide, hydrogen sulfide, and phosphine, organic reductants b
-
Qualified according to 4.6
Qualified according to 4.6
odor
odorless
odorless
odorless
Moisture leak point / ℃ ≤
-
-60
-65
Free water
no
-
-
The carbon dioxide content for welding should be ≥99.5X10 -2 The
carbon dioxide for welding should be checked for Item; the industrial carbon dioxide may not be checked for Item