Products

Helium [Compressed Or Liquefied]

    • Product Name: Helium [Compressed Or Liquefied]
    • Alias: Helium
    • Einecs: 231-168-5
    • Mininmum Order: 1 g
    • Factroy Site: Yudu County, Ganzhou, Jiangxi, China
    • Price Inquiry: admin@ascent-chem.com
    • Manufacturer: Ascent Petrochem Holdings Co., Limited
    • CONTACT NOW
    Specifications

    HS Code

    492964

    Chemical Formula He
    Molecular Weight 4.0026 g/mol
    Cas Number 7440-59-7
    Appearance Colorless, odorless gas
    Boiling Point -268.93°C
    Melting Point -272.2°C
    Density Gas 0.1786 g/L at 0°C and 1 atm
    Density Liquid 0.125 g/cm³ at boiling point
    Flammability Non-flammable
    Solubility In Water Very low (0.0094 mL/L at 20°C)
    Critical Temperature -267.96°C
    Critical Pressure 2.29 atm

    As an accredited Helium [Compressed Or Liquefied] factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing A high-pressure steel cylinder containing 50 liters of Helium [Compressed Or Liquefied], labeled with hazard symbols and safety instructions.
    Shipping Helium, whether compressed or liquefied, is shipped in high-pressure cylinders or specialized cryogenic containers. It is classified as a non-flammable, non-toxic gas (UN 1046 for compressed, UN 1963 for liquefied). Proper labeling, secure stowage, and handling precautions are essential to prevent leaks and exposure to extreme cold or pressure.
    Storage Helium [Compressed or Liquefied] should be stored in tightly closed, properly labeled cylinders or containers designed for compressed gases. Keep storage areas well-ventilated, dry, and away from direct sunlight, heat sources, and flammable materials. Secure cylinders upright to prevent tipping. Store at temperatures below 52°C (125°F) and protect from physical damage. Isolate from oxidizers and incompatible substances.
    Application of Helium [Compressed Or Liquefied]

    Applications of Helium [Compressed Or Liquefied] in Industrial Manufacturing

    Helium in either compressed or liquefied form plays a critical role in several downstream manufacturing sectors. As the direct producer, we serve highly regulated applications where process integrity, safety, and precise gas characteristics shape final product outcomes. Each application scenario outlined below is based on real industry practices, established global standards, and process needs in large-scale industrial plants.

    1. Cryogenic Cooling for Superconducting Magnet Systems

    Liquefied helium is the primary coolant in superconducting magnet systems for applications such as MRI imaging equipment and particle accelerator magnets. Its exceptionally low boiling point enables rapid heat absorption and supports stable cryogenic conditions, which are vital for maintaining superconductivity in high-field magnets. Manufacturers mandate specific helium purity and supply chain traceability to ensure magnetic field quality and operational safety in medical and research infrastructure.

    Industry compliance standards

    • USP/NF Grade requirements for medical device gases
    • ISO 21010:2017 Gas cylinders – Helium for cryogenic use
    • ASTM D3609: Standard Specification for Helium Gas
    • Medical Device Regulation (EU) 2017/745 for related equipment

    Typical usage ratio

    • Helium constitutes 100% of the cooling medium, with loss rates ranging from 3–8% per year due to boil-off; system charge levels vary by magnet volume (typically 200–3000 liters per equipment set)

    Downstream process integration

    • Helium is supplied in dewars or bulk tankers
    • Introduced during magnet commissioning and top-up intervals
    • Reclamation and purification conducted on-site as part of closed-loop recirculation

    Final product types

    • Magnetic resonance imaging (MRI) machines
    • Superconducting research magnets
    • Nuclear magnetic resonance (NMR) spectrometers
    • Particle accelerator equipment

    2. Controlled Atmosphere Welding (GTAW/TIG)

    In gas tungsten arc welding (GTAW or TIG processes), helium acts as an inert shielding gas to prevent oxidation and contamination of weld pools, especially in non-ferrous metals such as aluminum, copper, and stainless steel alloys. Its high ionization potential produces hotter arcs, promoting deeper weld penetration and faster travel speeds in automated or manual tank and pipe fabrication for aerospace, petrochemical, and high-spec structural industries.

    Industry compliance standards

    • EN ISO 14175:2013 Welding consumables – Gases and gas mixtures for fusion welding and allied processes
    • AWS A5.32/A5.32M: Specification for Welding Shielding Gases
    • NADCAP AC7110/5: Welding (for aerospace components)

    Typical usage ratio

    • Blend ratios from 100% helium for thick aluminum sections to 25–75% helium mixes with argon based on alloy, thickness, and required arc characteristics

    Downstream process integration

    • Connected directly via gas manifold or cylinder pack to automated or manual welding stations
    • Gas blending performed in-line or pre-mixed depending on plant scale
    • Flow rate adjusted via welding control panels and quality verified by certified operators

    Final product types

    • Aircraft engine casings and airframe structures
    • LNG and cryogenic storage tanks
    • Pharmaceutical-grade stainless vessels
    • Pipeline joints for hydrocarbon processing

    3. Leak Detection and Pressure Testing

    Helium is extensively used in industrial leak detection due to its small atomic size, inertness, and low natural abundance in air. Downstream manufacturers employ mass spectrometer-based helium leak detectors to verify hermeticity and integrity in critical systems such as heat exchangers, vacuum-insulated panels, and automotive air-conditioning components. This non-destructive, trace-level detection enables immediate quality assurance prior to shipment or installation.

    Industry compliance standards

    • ISO 20485:2017 Non-destructive testing – Leak testing – Tracer gas method
    • IEC 60068-2-17 Test Q: Sealing (for electrical enclosures)
    • SAE J2970: Standard for refrigerant leak detection

    Typical usage ratio

    • Pure helium (99.99% or higher) is charged to test pieces at 1–10 bar; mixtures (5–10% helium in nitrogen) used for gross leak detection based on required sensitivity and equipment compatibility

    Downstream process integration

    • Helium introduced into sealed item via charge ports or test chambers
    • Detector units sample effluent or external environment at critical joints
    • Recovered helium optionally recycled through on-site purification units

    Final product types

    • Refrigeration/air-conditioning compressors
    • Vacuum insulated cryogenic containers
    • Medical device enclosures
    • Sealed electronics modules

    4. Semiconductor Processing and Inert Wafer Handling

    Semiconductor manufacturers use ultra-high purity helium as a heat transfer agent and inert carrier gas throughout multiple wafer fabrication processes. Its thermally conductive and non-reactive properties ensure uniform temperature control during rapid thermal annealing and epitaxial growth, and provide an oxygen-free transfer environment in lithography, CMP, and backend packaging lines. Strict impurity limits apply due to process-sensitivity to contaminants.

    Industry compliance standards

    • SEMI C3.65: Specification for Helium, High Purity (Electronic Grade)
    • ISO 14644-1:2015 Cleanrooms and associated controlled environments
    • QS-9000/ISO 9001 Quality Systems (applicable to integrated device manufacturers)

    Typical usage ratio

    • Helium purity ≥ 99.9995% for electronic grade supply; flow rates vary from 10–200 slpm per tool, depending on wafer size and process step

    Downstream process integration

    • Piped to gloveboxes, rapid thermal processing (RTP), and epitaxy reactors as a direct process gas
    • Serves as a purge and lift-gas during wafer transfer and handling
    • Inline particle and moisture analyzers monitor system quality continuity

    Final product types

    • IC wafers (logic, memory, analog)
    • Power semiconductor devices
    • Photomask substrates
    • MEMS and sensor chips

    5. Controlled Atmosphere for Fiber Optic Cable Manufacturing

    Helium is used in modified chemical vapor deposition (MCVD) and preform drawing processes when producing high-purity, defect-free fiber optic cables. It acts as an inner tube atmosphere and a heat transfer medium, suppressing contaminants during preform collapse and enabling higher drawing speeds and lower viscosity in silica glass formation. This application mandates gas handling under strict cleanliness and moisture control to achieve necessary optical clarity and transmission properties.

    Industry compliance standards

    • IEC 60793-1 Optical fibres – Measurement and test methods
    • SEMI F67: Practice for Gas Handling in Semiconductor and Optical Fiber Manufacturing
    • ISO 9001:2015 Quality Management Systems (manufacturing traceability)

    Typical usage ratio

    • Helium used as a purge and buffer gas at 100% in preform core zone; flow rates adjusted (10–80 slpm) according to furnace size and polymer jacket specifications

    Downstream process integration

    • Injected into preform core during collapse phase in MCVD reactors
    • Channelled into fiber drawing towers as cooling and buffer gas
    • Final atmosphere control maintained until jacket curing is complete

    Final product types

    • Singlemode and multimode fiber optic cables
    • Submarine and datacenter optical fibers
    • Preform billets for downstream drawing
    • Fiber sensor assemblies

    6. Controlled Atmosphere in Additive Manufacturing (3D Metal Printing)

    Advanced metal additive manufacturing platforms utilize helium as a primary or blended process gas in powder bed fusion and electron beam melting systems, particularly for titanium and reactive alloy components. Helium's ultra-inert properties and high thermal conductivity enable quality fusion, minimize defect rates, and support build chamber cooldown in printed aerospace, automotive, and biomedical components where oxygen and nitrogen control is essential.

    Industry compliance standards

    • ASTM F3184-16: Additive Manufacturing – Process Requirements for Metal Powder Bed Fusion
    • ISO/ASTM 52907:2019 Additive manufacturing — Feedstock materials — Methods to characterize metal powders
    • AS9100D Aerospace Quality Management

    Typical usage ratio

    • Helium used at 50–100% volume as chamber purge or as active build atmosphere, often blended with argon; ratio adjusted based on alloy reactivity and desired surface properties

    Downstream process integration

    • Chamber purged with high-purity helium prior to build start
    • Continuous flow maintained during fusion and cooldown
    • Gas recycling and filtration loops support cost-efficiency in high-volume operations

    Final product types

    • 3D printed aerospace brackets
    • Custom titanium orthopedic implants
    • Prototype turbine blades
    • Complex automotive heat exchangers

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    Certification & Compliance
    More Introduction

    Helium: Essential Resource for Modern Industry

    Direct from the Source: Our Commitment to Quality Helium Supply

    From our production lines, we know what it takes to deliver pure, dependable Helium—compressed or liquefied—straight to the hands of users who count on its unique properties every day. Behind every cylinder and bulk delivery is a team that handles the rare gas with the expertise it demands. We start with raw natural gas reserves, oversee every step from fractional distillation to filling, and guarantee the traceability that only a producer can stand behind. That means every batch starts and ends in the same hands, reducing impurities and ensuring every delivery aligns with the standards set by science and industry.

    Understanding Helium: More Than a Lifting Gas

    Most recognize Helium from party balloons or blimps, but those surface uses are just the beginning. Helium stands apart as a noble gas, chemically inert, and essentially non-reactive under the conditions faced in laboratories, factories, medical centers, and research facilities. Its atomic number is 2, which might seem trivial at first glance, yet this simplicity anchors its stability and ultra-low reactivity. Our direct experience with Helium, in both compressed and liquefied forms, makes it clear that not every cylinder is interchangeable with industrial-grade nitrogen or oxygen. Every user—from MRI machine operators to semiconductor manufacturers—relies on the predictable performance tied to exacting purity ranges, low boiling points, and precise formulation.

    Compressed vs. Liquefied Helium: Real-World Differences

    Customers frequently approach us wondering how compressed and liquefied Helium stack up—not just in terms of format, but in terms of performance, logistics, and cost-effectiveness. The differences start with their physical state. Compressed Helium remains a room-temperature gas, pressurized into high-strength steel or aluminum cylinders at up to 200 bar depending on requirements and safety protocols. It’s ideal where a stable, ready-to-use gas supply matters more than absolute cold. Scientific labs depend on our high-purity compressed gas for carrier gas in Gas Chromatography, for leak detection routines, and as a shield in arc welding processes. Compressed cylinders offer easy portability for fieldwork, simple pressure regulation, and minimal specialized handling compared to cryogens.

    Liquefied Helium transforms expectations. Pumped and stored cryogenically at temperatures near -269°C—just 4 degrees above absolute zero—it’s the indispensable coolant for magnetic resonance imaging (MRI), nuclear magnetic resonance (NMR) spectrometers, and some particle accelerators. Without this cryogenic form, many scientific discoveries and everyday diagnostic scans wouldn’t even get started. Our liquefied Helium travels in deeply vacuum-insulated dewars, shipped from our own production facilities and monitored at every stage. As a manufacturer, we see firsthand the care needed; a minor slip in temperature management or pressure venting risks significant loss from boil-off. The logistics and delivery infrastructure for liquefied Helium reflect our years of investment in dewars, super-insulated tanker trucks, and field service teams.

    Model Choices and Customization from Direct Manufacturing Experience

    Unlike resellers, our product knowledge grows from floor teams who fill and test each unit. Compressed Helium leaves our site in a variety of cylinder sizes: smaller 10L to 50L bottles suit most technical work, but larger bundles and tube trailers support major fabrication shops and electronics facilities. Our gas filling technicians configure regulator connections and pressure settings to customer equipment, staying close to safety codes and international standards. Purity grades start at industrial-grade 99.9%, climb through research-grade 99.999%, and can even hit ultrapure levels for calibration applications. We field ongoing user requests for trace impurity data—something difficult to obtain from traders but always on our docket as original suppliers.

    Liquefied Helium distribution works differently. Transport of even a few hundred liters involves specialized mobile dewars—vacuum-jacketed, double-walled vessels—and our teams train new users in rapid transfer, boil-off calculation, and recovery systems. High-energy physics research and superconductivity applications pull the largest orders, demanding both dependable scheduling and contingency planning for seasonal supply changes. Quality here relies on constant monitoring of residual gases and ensuring nitrogen or air contamination stays out during transfer. By controlling our cryogenic pipelines and mobile vessels, we stand behind every shipment and trace any issue back to its source, not just to a passing warehouse or aggregator.

    Reliability Backed by Depth of Supply Chain Knowledge

    The Helium market today faces growing demand. Electronics, medical instruments, fiber optics, aerospace, and defense sectors all draw from the same finite reserves. Periodic shortages drive home how vital it is to control your own sourcing and processing. We’ve invested in extraction from natural gas fields where Helium concentrations allow economic processing, and we periodically update production lines to improve yield from each cubic meter of feed gas. With this vantage point, our users do not just get a product—they get a partner with a real stake in keeping their operations running.

    Users Relying on Real-World Helium Performance

    Our team often consults with engineers setting up new MRI suites or process lines. A hospital administrator might not see the steel dewars moving through a loading gate, but doctors and technicians experience downtime instantly if Helium deliveries slip. With liquefied Helium, even minor temperature blips during transfer threaten entire scanner coils. We keep experienced field technicians on-call for facility visits, system purges, and cryogenic pump checks. Technicians frequently remark on the visible impact: temperature sensors stabilize, superconducting magnets remain in the “on” state, and twin compressors humming in the machine room confirm safe, continuous operation.

    In electronics, as chip geometries shrink and quantum computing moves from lab curiosity to production, ultraclean Helium remains the only real carrier choice in some photolithography and etching steps. Contaminants at the part-per-billion level cause production shutdowns worth millions in lost yield. We audit our own batches for argon, neon, and hydrocarbon traces before a cylinder ever leaves the premises. This attention to chemical background noise separates manufacturer product from that offered by surplus dealers or repackagers. R&D customers regularly request batch certificates, which we issue directly because the product never lands in third-party hands.

    Comparing Helium to Other Gases: Where It Matters Most

    Oxygen and nitrogen dominate bulk gas markets. For some shielding and cutting tasks, these may suffice. None matches Helium’s light weight, inertness, and ultra-low boiling point. For scientific instrumentation, the wrong substitution risks corrosion, explosive reactions, or poor instrument resolution. Our feedback from university clients confirms what we see in-house: Helium keeps analysis precise where argon or nitrogen muddles readings. In leak detection, a Helium mass spectrometer test exposes micro-cracks invisible with any substitute. Pulse-tube refrigeration and superconducting magnets—both technologies with impossible demands—count on the zero-reactivity, minimum specific heat, and predictable expansion of pure Helium. Working as a manufacturer lets us see how these differences play out in daily use and lets us answer specific compatibility questions.

    Sustainability Challenges and our Direct Response

    Every Helium supplier faces increasing scrutiny around sustainability. Extraction takes energy; cryogenic transport eats further into carbon budgets. As a producer, we track energy use and optimize liquefaction steps to reduce consumption per liter delivered. Gas recycling programs, especially in hospitals and chip fabs, keep more Helium in circulation rather than vented to atmosphere. We continue investing in onsite reclaim systems for our large-scale liquefied customers; a service provider or reseller often can’t commit the resources needed for such closed-loop infrastructure. Our R&D turns to membrane separation, high-yield extraction, and even experimental Helium recovery from atmospheric reserves. We believe in a future where Helium, rare as it is, can be delivered securely with less environmental cost.

    Serving Critical Markets: Why Our Perspective Matters

    We know how downtime hurts. As a direct manufacturer, our staff mediates schedule disruptions caused by weather events, infrastructure outages, and logistic snarls. Our customers—sometimes deep in energy extraction regions, sometimes in dense urban research hubs—call for flexible delivery, short lead times, and backup cylinders already staged on site. Because the production teams, not just the sales force, remain involved from inquiry to fulfillment, we hear about pressure reduction valve needs, vapor recovery system repairs, and emergency-compliance hours as soon as they arise.

    Research universities, science parks, and high-tech manufacturing campuses depend on consistency over years. Our process places responsibility with plant engineers, delivery supervisors, and QA chemists—not just remote scheduling software or paperwork from a generic chemical brokerage. We stake our reputation, and our business, on building relationships that keep technical progress and health care moving forward at scale.

    Tackling Helium Shortages and Price Volatility

    No manufacturer, no matter the size, ignores the pressure of global shortages and spot-market price swings. Periodic curtailments—from supply-chain bottlenecks or geopolitical change—require contingency reserves and prioritized allocation. We maintain emergency buffer storage in both filled cylinders and bulk cryogenic tanks at key distribution points. This lets us respond quickly if a delivery faces unforeseen delay, or if a client faces a usage spike from unexpected demand.

    Bulk buyers sometimes ask about hedging or long-term contracts—we’re in a position to offer supply plans calibrated to actual extraction capacities, rather than sales quotas set by intermediaries. Our involvement from gas field to final cylinder means we make decisions that stabilize client operations, not just cap quarterly earnings. Helium buyers from electronic design, climate research, and medical imaging know we’re accessible for direct discussions about reserve planning and alternate sourcing strategies.

    Safety Observations from Hands-On Experience

    Safe Helium handling comes from experience. Compressed gas cylinders, filled and tested in-house, carry safety caps, pressure-relief valves, clear labeling, and batch traceability. Training extends from forklift operators to delivery drivers. Our in-house training programs cover gas properties, leak detection, PPE, and compliance documentation, translating into fewer incidents on client sites. Managers know who to call for technical questions before taking delivery, and safety audits include tours of our own facilities.

    Cryogenic Helium presents added hazards—intense cold can cause severe frostbite, rapid expansion can displace oxygen in closed spaces. Our safety engineers oversee every liquefied Helium transfer with protocols honed across decades of service. We maintain service logs on all delivery dewars and transport tanks, schedule pressure and integrity checks on a strict basis, and share best-practice bulletins with site managers. Every emergency we’ve confronted becomes a teachable moment, directly feeding into our staff development and customer updates.

    Technical Innovation: What Sets a Manufacturer Apart

    We do not settle for generic formulas or outdated techniques. In the last decade, demand for ultrapure Helium in quantum computing and other research spurred us to expand in-house purification capacity. Our gas analyzers reach accuracies that support ever-tightening requirements in calibration labs and device testing centers. Through control of every production step, from natural gas wellhead to regulated cylinder or insulated dewar, we proactively reduce hydrocarbon carryover, mitigate oxygen ingress, and actively manage cold-chain integrity.

    Technical support runs deeper than post-sale troubleshooting. Our teams work with research consortia to tailor Helium delivery protocols, optimize cool-down sequences, and limit product loss. On request, we extend our own R&D services to customer pilot projects—something rarely available from trading firms or third-party distributors. Through continuous investment in cryogenic pump design, thermal insulation, and contamination filtering, we push both compressed and liquid Helium offerings further each year.

    Field Feedback Drives Continuous Improvement

    We learn just as much from our users as from our own testing. Field engineers returning cylinders and dewars for refill routinely share insights on delivery timing, connection compatibility, and site logistics. Service reps note where product labels require updates, regulatory stencils need clarification, or pressure regulator adapters benefit from redesign. Stop-and-start field service calls reveal what paperwork actually flows and where digital records replace manual logs. Improvement, for us, traces directly from handling every batch, not simply collecting feedback secondhand through broker channels.

    Long-term customers relay success stories as well as incidents: faster MRI ramp-ups, better throughput in chip fabrication lines, or streamlined inventory control after switching from repackaged to freshly filled cylinders. Every unit of compressed or liquefied Helium that we ship embeds these learnings, reflected in new filling protocols, operator training modules, and supply planning meetings.

    Supporting the Next Generation of Industry and Science

    Helium will remain essential for decades—powering research, enabling medicine, and driving technological progress. Our part, as a direct manufacturer, means investing both in extraction and refining capacity and in the long-term relationships that keep supply reliable. Tomorrow’s users push for better traceability, energy efficiency, and sustainability. We continually respond by optimizing extraction yields, expanding cylinder and dewar fleet management, and deepening expertise from science through logistics.

    Each compressed or liquefied Helium order reflects not just a commodity, but the result of years of technical refinement and continuous field learning. Whether a technician in a remote lab or a surgeon in a high-demand hospital suite, our customers know that family names stand behind every delivery, not just corporate paperwork. That is the difference real manufacturing brings—an ongoing commitment, tangible expertise, and a willingness to adapt to whatever tomorrow requires.

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