
Argon Gas (Ar)
- NIST traceable high-purity Argon gas
- Disposable & refillable cylinders, 17L+
- Laser, semiconductor & calibration use
NIST Traceable Gas Standards
UHP Argon — Ultra High Purity Grade from SpecGas Inc. provides exceptionally pure argon gas for demanding applications including laser systems, semiconductor manufacturing, research laboratories, and calibration. Available in disposable and refillable cylinders with NIST traceable quality standards, ensuring reliable, consistent performance across industrial and scientific uses.


UHP argon, or Ultra High Purity argon, is a grade of argon gas refined to remove virtually all contaminants and moisture. It is used in sensitive applications where even trace impurities can affect results, including semiconductor fabrication, laser systems, analytical instrumentation, and precision calibration gas mixtures requiring a stable, inert carrier or working gas.
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UHP argon provides an ultra-clean inert atmosphere for photolithography, deposition, and semiconductor fabrication processes.

Provides a stable, contamination-free inert gas for analytical instrumentation, experiments, and calibration in lab settings.

Serves as an operating or working gas in excimer and other laser systems demanding ultra-high purity inert gas supply.

Used as a balance or carrier gas in precision calibration mixtures for gas detectors, analyzers, and emissions monitoring equipment.
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Every UHP argon cylinder meets NIST traceable standards, giving labs and manufacturers verifiable purity and accuracy for critical applications.
SpecGas fulfills orders faster than industry norms, with rush service available, so your operations and research timelines are never compromised.
Founded by a veteran research chemist with roots in specialty gas since 1976, SpecGas brings unmatched technical depth and proprietary blending methods.
Submit your inquiry and our technical team will respond with pricing, cylinder options, and availability tailored to your application.
For immediate assistance, feel free to give us a direct call at (215) 443-2600. You can also send us a quick email at website-inquiries@specgasinc.com.
For immediate assistance, feel free to give us a direct call at (215) 443-2600. You can also send us a quick email at website-inquiries@specgasinc.com.