ISO 4892-1:2016 PDF

Plastics — Methods of exposure to laboratory light sources — Part 1: General guidance

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Title (English):

ISO 4892-1:2016

Plastics — Methods of exposure to laboratory light sources — Part 1: General guidance

Document status:: Withdrawn
Format:: Electronic (PDF)
Number of pages:: 25
Publication date:: April 29, 2016
Edition:: ISO IS 4892 edition 3 version 1
ICS:: 83.080.01

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Description (English):

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. Information regarding performance requirements is for producers of artificial accelerated weathering or artificial accelerated irradiation devices. NOTE In this part of ISO 4892, the term "light source" refers to radiation sources that emit UV radiation, visible radiation, infrared radiation or any combination of these types of radiation. ISO 4892-1:2016 also provides information on the interpretation of data from artificial accelerated weathering or artificial accelerated irradiation exposures. More specific information about methods for determining the change in the properties of plastics after exposure and reporting these results is given in ISO 4582.

Technical details

Technical committee: ISO/TC 61/SC 6 - Ageing, chemical and environmental resistance
SKU: ISO 4892-1:2016

Abstract

Overview

ISO 4892-1:2016 - Plastics - Methods of exposure to laboratory light sources - Part 1: General guidance provides high-level guidance for selecting and operating laboratory exposure methods used to simulate sunlight and indoor lighting effects on plastics. The standard defines general performance requirements for artificial accelerated weathering and artificial accelerated irradiation devices, explains measurement and interpretation of exposure data, and clarifies how “light source” is used to include UV, visible and infrared radiation.

Key Topics and Requirements

Scope and purpose: Guidance for choosing exposure methods and interpreting accelerated-weathering data rather than prescribing a single universal test.
Device performance: General requirements for exposure equipment covering measurement of irradiance, radiant exposure, sensor temperatures, chamber air temperature, and relative humidity.
Test parameters: Instructions on controlling and reporting set points for irradiance, temperature, humidity/wetting cycles and other environmental variables that affect polymer degradation.
Specimen handling: Requirements for specimen form, preparation, number, storage and conditioning prior to exposure.
Data interpretation: Advice on comparing accelerated test results with actual-use exposures, including limitations - notably that universal “acceleration factors” are invalid because they are material- and condition-dependent.
Reporting: Guidance on the contents of a test report and annexes describing irradiance uniformity measurements, factors reducing correlation with outdoor exposure, and solar spectral references.
Normative references: Direct links to related test standards such as ISO 4892-2 (xenon-arc), ISO 4892-3 (fluorescent UV), ISO 4892-4 (carbon-arc), ISO 4582 for property-change methods, and ISO 9370 for radiant exposure measurement.

Applications and Users

ISO 4892-1 is practical for:

Plastics manufacturers and compounders developing weather-resistant formulations.
Test laboratories performing accelerated weathering and lightfastness testing.
Equipment producers who design and qualify laboratory light-exposure devices.
R&D and quality assurance teams validating material durability, colour stability and lifetime performance.
Product certifiers and regulators requiring consistent reporting and traceable test methods.

Practical uses include selecting the appropriate laboratory light source (xenon, fluorescent UV, carbon-arc), defining exposure cycles, ensuring equipment meets performance criteria, and correctly interpreting accelerated-weathering results for product development and specification.

Related Standards

ISO 4892-2 (Xenon-arc lamps)
ISO 4892-3 (Fluorescent UV lamps)
ISO 4892-4 (Open-flame carbon-arc lamps)
ISO 4582 (Determination of property changes after exposure)
ISO 9370 (Radiant exposure measurement)

Keywords: ISO 4892-1, plastics, accelerated weathering, laboratory light sources, irradiance, artificial accelerated irradiation, weathering tests, lightfastness, xenon-arc, fluorescent UV.

Related standards

Standards mentioned in the description

Abstract

Overview

Key Topics and Requirements

Scope and purpose: Guidance for choosing exposure methods and interpreting accelerated-weathering data rather than prescribing a single universal test.
Device performance: General requirements for exposure equipment covering measurement of irradiance, radiant exposure, sensor temperatures, chamber air temperature, and relative humidity.
Test parameters: Instructions on controlling and reporting set points for irradiance, temperature, humidity/wetting cycles and other environmental variables that affect polymer degradation.
Specimen handling: Requirements for specimen form, preparation, number, storage and conditioning prior to exposure.
Data interpretation: Advice on comparing accelerated test results with actual-use exposures, including limitations - notably that universal “acceleration factors” are invalid because they are material- and condition-dependent.
Reporting: Guidance on the contents of a test report and annexes describing irradiance uniformity measurements, factors reducing correlation with outdoor exposure, and solar spectral references.
Normative references: Direct links to related test standards such as ISO 4892-2 (xenon-arc), ISO 4892-3 (fluorescent UV), ISO 4892-4 (carbon-arc), ISO 4582 for property-change methods, and ISO 9370 for radiant exposure measurement.

Applications and Users

ISO 4892-1 is practical for:

Plastics manufacturers and compounders developing weather-resistant formulations.
Test laboratories performing accelerated weathering and lightfastness testing.
Equipment producers who design and qualify laboratory light-exposure devices.
R&D and quality assurance teams validating material durability, colour stability and lifetime performance.
Product certifiers and regulators requiring consistent reporting and traceable test methods.

Related Standards

ISO 4892-2 (Xenon-arc lamps)
ISO 4892-3 (Fluorescent UV lamps)
ISO 4892-4 (Open-flame carbon-arc lamps)
ISO 4582 (Determination of property changes after exposure)
ISO 9370 (Radiant exposure measurement)

Keywords: ISO 4892-1, plastics, accelerated weathering, laboratory light sources, irradiance, artificial accelerated irradiation, weathering tests, lightfastness, xenon-arc, fluorescent UV.

ISO 4892-1:2016 PDF

Technical details

Abstract

Overview

Key Topics and Requirements

Applications and Users

Related Standards

Related standards

Abstract

Overview

Key Topics and Requirements

Applications and Users

Related Standards

Related standards

Plastics - Methods of exposure to laboratory light sources - Part 2: Xenon-arc lamps - Amendment 1: Classific…

Plastics - Methods of exposure to laboratory light sources - Part 3: Fluorescent UV lamps (ISO 4892-3:2024)

Plastics - Methods of exposure to laboratory light sources - Part 4: Open-flame carbon-arc lamps

Plastics -- Determination of stiffness in torsion of flexible materials -- Part 2: Application to plasticized…

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