High Purity Industrial Helium Gas He 99.999% 5N Compressed Helium in Cylinder

✅High Purity Industrial Helium Gas (He) CAS No.:7440-59-7 Purity: 99.999% (5N), customizable 99.9999% (6N) ultra-high purity. Helium is colorless, odorless, non-flammable inert gas with excellent thermal conductivity and low permeability.

✅ Product Specifications Molecular Formula: He Filling Pressure: 150Bar / 200Bar Cylinder Option: 40L, 50L seamless steel cylinder UN Number: UN1046 Standard: GB/T 4844

✅ Main Applications 1. Leak detection for pipelines, pressure vessels, aerospace equipment. 2. Shielding gas for aluminum, titanium alloy precision welding. 3. Semiconductor, optical fiber manufacturing protective atmosphere. 4. Cryogenic cooling, laboratory scientific research, NMR & MRI supporting. 5. Deep diving heliox mixed gas, balloon inflation.

✅ Our Advantages Stable supply of industrial grade helium, strict purity inspection before delivery. Complete shipping documents,

support bulk order and long-term cooperation. We can provide customized packaging and technical support for global clients. Welcome to contact us for quotation and technical datasheet.

Helium Mass Spectrometer Leak Testing Helium has small molecular size and strong penetration ability, which makes it an ideal tracer gas. It is widely used for leak detection of pressure vessels, refrigeration equipment, vacuum chambers, pipeline systems, new energy battery shells and aerospace components.

Shielding Gas for Special Metal Welding As an inert gas with outstanding thermal conductivity, helium is often mixed with argon. It is used for welding aluminum alloy, titanium alloy, magnesium alloy and other active metals to avoid oxidation of welding seams, improve penetration depth and welding quality, widely applied in automotive and aerospace industries.

Semiconductor & Optical Fiber Manufacturing High-purity helium serves as cooling gas, purge gas and carrier gas in wafer production. In optical fiber drawing process, helium provides rapid heat dissipation to reduce defects and guarantee stable optical transmission performance.

Cryogenic Cooling & Medical Industry Liquid helium provides ultra-low temperature environment for superconducting equipment. It is an essential medium for MRI nuclear magnetic resonance equipment in hospitals.

Scientific Research & Laboratory Use Used in low-temperature physics experiments, vacuum systems, particle accelerators and various precision laboratory instruments.

Deep Diving Breathing Gas Helium is mixed with oxygen to produce heliox breathing gas, which reduces nitrogen narcosis for deep-sea divers.

Inflation & Aeronautical Field Helium is non-flammable, safe for inflating weather balloons, airships, detection balloons and advertising balloons.

Other Industrial Uses Heat treatment atmosphere, gas chromatography carrier gas, leak detection for hydrogen energy equipment, cable manufacturing etc.

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