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  1. This international standard provides general guidance for exposing plastics to artificial light sources in laboratory tests. It covers irradiance, temperature, humidity, test conditions, specimens, evaluation and reporting of results.

  2. ISO 4892-1:2016 provides information and general guidance relevant to the selection and operation of the methods of exposure described in detail in subsequent parts. It also describes general performance requirements for devices used for exposing plastics to laboratory light sources.

  3. This part of ISO 4892 provides information and general guidance relevant to the selection and operation of the methods of exposure described in detail in subsequent parts. It also describes general performance requirements for devices used for exposing plastics to laboratory light sources.

  4. ISO 4892-2 is a standard that simulates weathering effects on plastic materials using xenon-arc light sources and filters. Micom Lab offers ISO 4892-2 testing as part of its coating testing services and provides typical experimental parameters and related test methods.

  5. This third edition cancels and replaces the second edition (ISO 4892-1:1999), which has been technically revised. ISO 4892 consists of the following parts, under the general title Plastics — Methods of exposure to laboratory light sources: — Part: General guidance 1. — Part: Xenon-arc lamps 2.

  6. A list of all parts in the ISO 4892 series can be found on the ISO website. Any feedback or questions on this document should be directed to the user’s national standards body. A complete listing of these bodies can be found at www.iso.org/members.html .

  7. This is the first part of a four-part International Standard that provides general guidance for accelerated tests of plastics using laboratory light sources. It covers the principle, requirements, test conditions, precision and bias of the tests, and the factors that affect the correlation with actual-use exposures.

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