GB/T 16422.4-2014: Plastics -- Methods of exposure to laboratory light sources -- Part 4: Open-flame carbon-arc lamps

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Scope

This Part of GB/T 16422 specifies methods for exposing specimens to open-flame
carbon-arc lamps in the presence of moisture to reproduce the weathering effects that
occur when materials are exposed in actual end-use environments in daylight or
daylight filtered through window glass.
This Part is applicable to plastics weathering-resistance assessment and inter-plastics
weathering-resistance comparison test under the condition of carbon-arc light source
exposure.
The specimens are exposed to filtered open-flame carbon-arc light under controlled
environmental conditions (temperature, moisture). Various filters are described.
Specimen preparation and evaluation of the results are covered in other International
Standards for specific materials.
General guidance is given in GB/T 16422.1.

Basic Data

Standard ID	GB/T 16422.4-2014 (GB/T16422.4-2014)
Description (Translated English)	Plastics -- Methods of exposure to laboratory light sources -- Part 4: Open-flame carbon-arc lamps
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	G31
Classification of International Standard	83.080.01
Word Count Estimation	11,141
Date of Issue	7/8/2014
Date of Implementation	12/1/2014
Older Standard (superseded by this standard)	GB/T 16422.4-1996
Quoted Standard	GB/T 16422.1-2006; ISO 4582; ASTM G152
Adopted Standard	ISO 4892-4-2004, IDT
Regulation (derived from)	2014 National Standards Bulletin No. 18
Issuing agency(ies)	General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary	This standard specifies the open carbon arc lamp test methods for sample exposed to humid conditions, the method is used to simulate the actual use of the material in the environment are exposed to the natural aging effects occur in daylight or sunlight f