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Helium is a chemical element with atomic number 2 in the periodic table of elements. It is a colourless, non-toxic, odourless, tasteless and chemically inert gas that is the second lightest element in the universe and the second most abundant element after hydrogen. It has many uses, especially in balloons, airships and other applications where its low density, low boiling point and durability are useful. It is also used to make lasers and superconducting materials and for cryogenic applications.
Molecular formula
He
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Fibre-rubber plates
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Teflon plates
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Graphite plates
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Rubber plates
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All technical data is based on our measurements and experience and is for guidance only. The parameters listed interact if they occur together and must be consulted in limiting cases. The manufacturer is not liable for misinterpretation of the given data and incorrect application of seals
Reinforced with bonded smooth Ni foil 0.013 mm thick (material: 2.4066). For low and medium pressures.
Reinforced with 0.1 mm thick perforated reed plate (material: AISI 316). For medium and higher pressures.
Reinforced with 0,05 mm thick stainless steel foil (material: AISI 316). For low and medium pressures.
Reinforced with expanded stainless steel sheet 0.1 mm thick (material: AISI 316L, 700 g/m²). Ideal seal for large pressure changes.
Multilayered sealing material made of expanded graphite reinforced with a larger number of inserts without the use of adhesives. Suitable for higher pressures and temperatures.
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