ISO 4892-3

general accelerated weathering standards – ISO 4892-3

ISO 4892

plastics method of exposure to laboratory light source

ISO 4892 specifies methods of exposing samples to laboratory light sources with the addition of moisture, humidity, temperature, to simulate the conditions which it is expected to endure in its real life application.

artificial weathering

ISO 4892-3


The specimens are exposed to fluorescent UV lamps under controlled environmental conditions (temperature, humidity and/or water). Different types of fluorescent UV lamps may be used to meet all of the requirements for testing different materials.

ISO 4892-3 Cycle 1 standard requirements

lamp type: UVA-340
programmed in models: QUV/basic, QUV/se, QUV/spray/rp (no irradiance setting on QUV/basic)
stepfunctionirradiance (W/m²)temperature (℃)time (hh:mm)
3final step - go to step 1

ISO 4892-3 Cycle 2 standard requirements

lamp type: UVA-340
Programed in Models: QUV/spray, QUV/spray/rp
stepfunctionirradiance (W/m²)temperature (℃)time (hh:mm)
4final step - go to step 1

Why impact?

impact are a one stop shop. Our team have over 120 years of combined experience in the testing industry and can advise you on what type of accelerated weathering testing you need. No matter the question, product, or standard, contact us today for guidance on testing for your product. With our UKAS accreditation, we can test to anything that falls within the boundaries of our extensive flexible scope. impact will always do their best to help you with your testing needs and our experienced weathering consultant, Jo, will advise you on the best method of testing.

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