Sulfur Dioxide Test Chamber
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The SQ-* Series Sulfur Dioxide Test Chamber is engineered for precise simulation of industrial corrosive environments through controlled sulfur dioxide (SO₂) gas concentration and temperature regulation. This specialized testing apparatus accelerates sulfidation corrosion evaluation of metallic substrates, protective coatings, electroplated surfaces, and assembled products, enabling rapid identification of material protection deficiencies and structural design vulnerabilities. The chamber provides scientifically validated corrosion resistance data for industrial equipment, construction materials, and hardware components verification.
The SQ-* Series incorporates a corrosion-resistant polypropylene (PP) chamber constructed via integral molding technology, eliminating welded seams to prevent gas leakage and cabinet degradation. The system employs U-shaped titanium alloy high-efficiency heating elements integrated with a precision gas concentration control system and temperature coordination module. Advanced operational features include automated gas replenishment, real-time SO₂ concentration monitoring, and programmable test duration timing.
Compliance Standards:
- IEC 60068-2-42:2013 Environmental testing – Part 2-42: Tests – Test Kc: Sulphur dioxide test for contacts and connections
- IEC 60068-2-43:2013 Environmental testing – Part 2-43: Tests – Test Kd: Hydrogen sulphide test for contacts and connections
- ISO 6988:1985 Metallic and other inorganic coatings – Corrosion test in artificial atmospheres – Sulphur dioxide test
- DIN 50018:2017 Corrosion tests in artificial atmospheres – Sulfur dioxide test
- ASTM G87-2015 Standard Practice for Conducting Corrosion Tests in a Sulfur Dioxide Environment
- ASTM B845-2020 Standard Practice for Sulfur Dioxide Corrosion Testing
- GB/T 2423.19-2013 Environmental testing – Part 2: Test methods – Test Kc: Sulfur dioxide test for contacts and connections
- GB/T 2423.20-2014 Environmental testing – Part 2: Test methods – Test Kd: Alternating salt spray (sodium chloride solution) and sulfur dioxide test
- GB/T 2423.33… (truncated)