Singa sivana
DH sivana singa, hankson andian-dahatsoratra sivana singa, Dominic sivana singa, hailos sivana singa, sns.
Parameter ara-teknika
| Ambaratonga sivana | Fahamarinan'ny sivana | menaka sisa | Ny fihenan'ny tsindry voalohany |
| Grade C | 3μm | 5ppm | ≤0.007MPa |
| Grade T | 1μm | 1ppm | ≤0.01MPa |
| Grade A | 0,01μm | 0.01ppm | ≤0.013MPa |
| Grade H | 0,01μm | 0.003ppm | ≤0.013MPa |
