MIXED FLOWING GAS (MFG) CHAMBERS & TESTING

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What Is MFG Testing?

Mixed Flowing Gas (MFG) testing was developed to solve corrosion in electronic components and connectors.

Even the smallest trace of corrosion can trigger costly failures.

Traditional tests like ASTM B117 (salt fog) or ASTM D2247 (humidity exposure) miss the subtle chemistry that quietly attacks circuit boards, sensors, and connectors in real-world environments.

MFG Testing involves a precisely controlled atmosphere that blends gases, temperature, and humidity to replicate real-world corrosion processes in accelerated time.

Mixed Flowing Gas (MFG) Testing in Action

Learn about how Auto Technology’s MFG chambers recreate real-world atmospheric corrosion using precise gas control and humidity regulation.


Auto Technology MFG Chambers Are Built to the Standard

  • IEC 60068-2-60 – Defines gas compositions, humidity and temperature limits, and exposure durations for evaluating connectors, switches, and other electrotechnical components.
  • ASTM B845 & B827 – Establish chamber design, gas delivery, and monitoring requirements to ensure consistent, repeatable tests.
  • EIA-364-65 – Specifies procedures to verify the long-term reliability of electrical interfaces.
  • Telcordia GR-1217 & GR-63-CORE – Reference or include Mixed Flowing Gas (MFG) testing as an accepted method for evaluating corrosion resistance in telecom equipment.

Why Choose Auto Technology

No one understands MFG chambers like Auto Technology Company.

We don’t just manufacture them — we use them every day in our accredited corrosion-testing laboratories. From design to calibration, from chamber purchase to outsourced testing, Auto Technology is your single source for Mixed Flowing Gas (MFG) expertise.

If you need an MFG chamber or MFG testing, contact us for a quote.

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Auto Technology walk-in mixed flowing gas chamber designed for large-scale automotive corrosion testing with precise temperature, humidity, and gas control.
Gas analyzers continuously track SO₂, NO₂, and H₂S concentrations during mixed flowing gas corrosion testing. Chlorine flow is regulated separately through dedicated MFC controls.
Alicat flow controllers and Omega instrumentation control each gas stream and humidity input, ensuring consistent environmental chemistry throughout every test cycle.
An Auto Technology mixed flowing gas (MFG) chamber replicates decades of atmospheric corrosion within weeks, used by electronics and automotive manufacturers for reliability testing.
Each calibrated flow tube delivers precise concentrations of reactive gases that simulate natural atmospheric corrosion on sensitive electronics and connectors.
The intuitive touchscreen interface allows operators to monitor temperature, humidity, and gas flow for complete process control and traceability.

Precision Engineering From Auto Technology Company

We build custom MFG chambers for global electronics manufacturers and laboratories — and we operate some of the largest MFG systems in the world for contract testing.

We build every chamber in Strongsville, Ohio, using corrosion-resistant materials, precision flow control, and our proprietary automation software.

Each chamber runs on a complex feedback system that synchronizes:

  • Gas delivery and monitoring — flow controllers and analyzers blend and maintain the exact SO₂, NO₂, Cl₂, and H₂S levels required by the designated standard.
  • Temperature and humidity control — distributed heaters, saturators, and sensors maintain steady environmental conditions throughout the test volume.
  • Automated programming — operators can select pre-configured methods or build custom test profiles using an intuitive touchscreen interface.
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