GB/T 16422.1-2019

Active

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

塑料实验室光源暴露试验方法第1部分：总则

Standard Type

GBT

ICS

83.080.01

CCS

G31

Status

Active

Issue Date

2019-12-10

Implementation

2020-11-01

Centralized Committee

中国石油和化学工业联合会

Issuing Authority

国家市场监督管理总局、中国国家标准化管理委员会

Application Summary AI generated

This standard provides general principles and guidance for conducting laboratory accelerated weathering tests on plastics using artificial light sources, such as xenon-arc or fluorescent UV lamps. It is applied in material testing and quality control within the plastics industry to simulate the effects of sunlight, heat, and moisture, enabling evaluation of color change, gloss loss, and mechanical property degradation. The standard is used by manufacturers, testing laboratories, and procurement professionals to ensure consistent test conditions and comparability of results for plastic products exposed to outdoor environments.

Related Standards

GB/T 7141-2008 Plastics—Methods of heat aging GB/T 9350-2003 Plastics--Homopolymer andcopolymer resins of vinyl chloride--Determination of pH of aqueous extract GB/T 19276.2-2003 Determination of the ultimate aerobic biodegradability of plastic materials in an aqueous medium--Method by analysis of evolved carbon dioxide GB/T 19275-2003 Evaluation of the potential biodegradability and disintegration of plastic materials by the action of the specific microorganisms GB/T 19276.1-2003 Determination of the ultimate aerobic biodegradability of plastic materials in an aqueous medium--Method by measuring the oxygen demand in a closed respirometer GB/T 12004.4-2003 Polyvinyl chloride paste--Determination of apparent viscosity by the Brookfield test method GB/T 12000-2003 Determination of the effects of exposure to damp heat，water spray and salt mist for plastics GB/T 17931-2003 Poly(ethylene terephthalate)(PET)resin for bottles

Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.