This standard specifies one of the artificial climate aging test methods for plastics, coatings, and rubber materials used in mechanical industry products - fluorescence ultraviolet lamp exposure test method. This standard is applicable to the comparison and screening tests of weathering resistance of materials such as plastics, coatings, and rubber. 2 Normative References: The clauses in the following documents become clauses of this standard through reference in this standard. For dated reference documents, all subsequent amendments (excluding corrected content) or revisions are not applicable to this standard. Therefore, parties to agreements based on this standard are encouraged to study whether the latest versions of these documents can be used. For undated references, the latest version applies to this standard. GB/T 16422.1 Plastics Laboratory Light Source Exposure Test Methods, Part 1: General (GB/T 16422.1-2006, ISO 4892-1:1999,1DT) GB/T 9271 Paints and Varnishes, Standard Test Panels (GB/T 9271-1988, eqv ISO 1514; 1984) GB/T 13452.2 Paints and Varnishes - Determination of Film Thickness (GB/T 13452.2-1992, idt ISO 2808; 1974) GB/T 7762 Vulcanized or Thermoplastic Rubber - Ozone Cracking Resistance, Static Tensile Test (GB/T 7762-2003, ISO 1431-1: 1989, MOD) GB/T 2941 Rubber Physical Testing Methods - General Procedures for Sample Preparation and Conditioning (GB/T 2941-2006, ISO 235292004, IDT) 3 Terms and Definitions The following terms and definitions apply to this standard. 3.1 Storage of Sample File Specifications A portion of the test material stored under stable conditions for comparing performance changes before and after exposure. 3.2 Control of a material with similar composition and structure to the test material, used for performance comparison after exposure to the test material simultaneously. 3.3 Control samples are a part of the control material used for exposure. 3.4 Irradiance The radiation energy emitted at a certain wavelength or within a certain wavelength bandpass per unit time and area, expressed in W/m. 3.5 Radiation exposure Time integral of irradiance, in J/m2
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