Caractéristiques et avantages des gaz
| GAZ DE PROTECTION | COMPOSITION | ASPECT | PÉNÉTRATION | VTS* DE SOUDAGE | |
| TIG GTAW Aciers | BLUESHIELD 1 | 75% Ar-25% He |  |  | |
| GTAW | BLUESHIELD 11 | 97.5% Ar-2.5% He | | | |
| Aciers | BLUESHIELD 3 | 25% Ar-75% He | | | |
| TIG | ARGON | 100% Ar | | | |
| GTAW | AZOTE (purge) | 100% N2 | | - | - |
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