| CAS No.: | 7440-59-7 |
|---|---|
| Formula: | He |
| EINECS: | 231-168-5 |
| Constituent: | Industrial Pure Air |
| Grade Standard: | Electronic Grade |
| Chemical Property: | Inert Gas |
| Samples: |
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| Customization: |
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Main Technical Parameter
| Normal Water Capacity | 40L | |
| Normal Diameter | 250 MM | |
| Limited Filling Pressure(15%) | 1.56MPa | |
| Hydraulic Test Pressure | 5.2MPa | |
| Sealing Test Pressure | 3MPa | |
| Porous Mass Propery | Compressive Strength | ≥1.8 N/nm2 |
| Porosity | 90-92% | |
| The Axial Space | ≤2.5MM | |
| Solvant | Acetone | |
| Acetylene Weight | 7.0kgs | |
| Maximum Working Pressure | 40°C | |
| Name | Specification | Impurity content (ppm) | Carry out Standard |
| Helium(H2) | 99.99% | O2 +Ar≤3,N2 ≤60,CO≤5,CO2 ≤5,CH4 ≤10,H2 O≤30 | GB/T 7445-1995 |
| 99.999% | O2 +Ar≤1,N2 ≤5,CO≤1,CO2 ≤1,CH4 ≤1,H2 O≤3 | GB/T 7445-1995 | |
| 99.9999% | O2 +Ar≤0.2,N2 ≤0.4,CO≤0.1,CO2 ≤0.1,CH4 ≤0.2,H2 O≤1 | GB/T 7445-1995 |
1. Can we get a free sample from you?
· More than 15 years of experience in the export of gas industry
· Filling gas into cylinder in our gas station
TAIHE XIN CHEN PREPARATION MANUFACTURE FACTORY is located in Daxin Town,Taihe county,Fuyang,Anhui,China. Taihe is one of famous long history cities in China.Convenient transportation and efficient logistics help this city to further brilliant. Xin Chen is a high rapid development erterprise,which deal in various kinds of industrial gases,standard gases,and specialty gases.
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