Mainly used as a filling gas for incandescent lamps, special light source lamps, and digital display tubes. Common varieties are divided into rare gas mixtures, halogen compound mixtures, heavy hydrogen mixtures, and bulb argon mixtures based on their animal components.
Category Mixed gas composition Impurity component content (10-6) Usage
Rare gas mixture
10% Ne+Ar
(5%~40%) N2+Ar
(15%~20%) N2+Kr
(10%~20%) Kr+Ar
(1%~5%) Kr+(5%~30%) Ar+N2
He<2, total gas impurities<15
H2O<2, O2<2
H2O<2, O2<2
H2O<2, O2<2
H2O<2, O2<2
Filling gas for industrial and special light source lamps, and filling gas for civilian light bulbs
Halogen compounds
0.04% Bromomethane+(40%~50%) Krypton+Hydrogen
(0.1%~1%) Bromomethane+Krypton
Gas filling for spotlights and halogen gas lighting lamps
Heavy hydrogen gas mixture
10% deuterium+helium
10% deuterium+10% hydrogen+10% krypton+10% neon+helium
Special bulb filling gas
Bulb argon mixture
12% -16% Krypton+Argon
O2 ≤ 10, H2 ≤ 5, TC ≤ 10, H2O ≤ 15 used as filling gas for incandescent lamps
