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Corrosion testing

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Testing the corrosion resistance of products – external corrosion

Objects are tested in artificial corrosive atmospheres (e.g. salt spray, immersion in corrosive solutions, sulfur dioxide environment, specific climatic conditions, condensation of water vapor, etc). The surfaces of the objects and their base material are evaluated. Tests can be performed on reference samples (e.g. coated and/or galvanized vehicle body parts) or on finished objects (e.g. LPG tanks, bumpers, wipers, heat exchangers, rocker arms, brackets, covers, etc.). The laboratory also has the ability to test items not related to the automotive industry.

So-called internal corrosion tests are also performed in the laboratory, where test objects (mainly heat exchangers) are subjected to simulated operation with fluids causing accelerated corrosion, or exhaust gas condensate.

Equipment

The laboratory has a number of corrosion chambers that meet various customers’ requirements:

  • Liebisch
  • ASCOTT
  • Weiss Technik
  • Heraeus
  • Vötsch
  • VLM
  • Kesternich

In addition, the laboratory is able to prepare a suitable test chamber or test stand to suit specific customer requirements.

Badania korozyjne
Komora solna Kesternich

Test norms (examples)

  • VDA 233-102
  • ASTM G85
  • ASTM B117
  • ASTM B368
  • DIN 50021
  • ISO 9227 (NSS, ASS, CASS)
  • ISO 6988
  • ISO 3231
  • ISO 6270-1
  • PN-EN 60068-2
  • ISO 11997-1
  • ISO 11997-2

Customer norms

  • FORD, CEVT, Volvo, VW, Renault, GMW, PSA, AUDI, BMW, Daimler, Chrysler, Toyota, Nissan, Honda, KIA, Fiat, Jaguar, Rover and others

Testing of internal corrosion and erosion

The institute has a number of aging and corrosion/internal erosion (internal and high flow corrosion) test stands. These test stands and/or chambers are often built for a requested test.

Read more about these tests on the pages:

Stanowisko do prób starzeniowych

Testing in noxious gas environment

The test in flowing mixed gas corrosion test allows to determine the corrosive effect of the working and storage environment on electrotechnical components, especially contacts, terminals and connections (considered both separately and as integrated into a component or assembled as a complete equipment).

Tested samples are placed in the AirEvent Gas/600/0 and SK1500 chambers under various temperature and humidity conditions, in the atmosphere of single corrosive gas or their mixture:

  • Cl2
  • SO2
  • NO2
  • H2S

Gases are mixed with together depending on the test method and/or Customer requirements. The working range of gases concentration is from 10 to 2700 ppb in case of H2S).

Gases concentration are monitored with the use of SPM Flex Honeywell analyser (in case of AirEvent Gas/600/0).

Preferred test duration is 4, 7, 10, 14 or 21 days.

Komora gazów korozyjnych AirEvent Gas 600

Test standards

  • IEC 60068-2-60
  • PN-EN 60512-11-14
  • ASTM B845-97
  • Renault 36-00-802
  • VW 80000
  • and others, on request

Noxious gas test chambers

See our test chambers and their parameters at: Noxious gas test chambers

  • VDA 233-102 – Cyclic corrosion testing of materials and components in automotive construction
  • ASTM G85 – Standard Practice for Modified Salt Spray (Fog) Testing
  • DIN 50021 – Spray tests with different sodium chloride solutions
  • ISO 9227 – Corrosion tests in artificial atmospheres – Salt spray tests
  • ISO 6988 – Metallic and other non organic coatings – Sulfur dioxide test with general condensation of moisture
  • ISO 3231 – Paints and varnishes – Determination of resistance to humid atmospheres containing sulfur dioxide
  • ISO 6270-1 – Paints and varnishes – Determination of resistance to humidity – Part 1: Condensation (single-sided exposure)
  • PN-EN 60068-2-1 – Environmental Tests – Part 2-1: Tests – Test A: Cold
  • ISO 11997-1 – Paints and varnishes – Determination of resistance to cyclic corrosion conditions – Part 1: Wet (salt fog)/ dry/ humidity
  • ISO 11997-2 – Paints and varnishes – Determination of resistance to cyclic corrosion conditions – Part 2: Wet (salt fog)/ dry/ humidity/ UV light
  • IEC 60068-2-60 – Environmental testing – Part 2-60: Tests – Test Ke: Flowing mixed gas corrosion test
  • PN-EN 60512-11-14 – Connectors for electronic equipment – tests and measurements – part 11-14: climatic tests – test 11p: flowing single gas corrosion test
  • Renault 36-00-802 – Corporate standard
  • VW 80000 – Electric and Electronic Components in Motor Vehicles up to 3.5 t. General Requirements, Test Conditions, and Tests
  • ASTM B117 – Standard Practice for Operating Salt Spray (Fog) Apparatus
  • ASTM B368 – Standard Test Method for Copper-Accelerated Acetic Acid-Salt Spray (Fog) Testing (CASS Test)
  • ASTM B845-97 – Mixed Flowing Gas (MFG) Tests for Electrical Contacts

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