GB/T 45183-2025塑料　气候老化试验中辐照量的仪器测定　总则和基本测试方法.pdf

ICS83.080.01

CCSG31

中华人民共和国国家标准

GB/T45183—2025

塑料气候老化试验中辐照量的仪器测定

总则和基本测试方法

Plastics—Instrumentaldeterminationofradiantexposureinweatheringtests—

Generalguidanceandbasictestmethod

（ISO9370：2017，MOD）

2025⁃01⁃24发布2025⁃08⁃01实施

国家市场监督管理总局

发布

国家标准化管理委员会

GB/T45183—2025

目次

前言··························································································································Ⅲ

引言··························································································································Ⅴ

1范围·······················································································································1

2规范性引用文件········································································································1

3术语和定义··············································································································1

4意义与用途··············································································································6

4.1总则·················································································································6

4.2自然气候老化——固定角度或赤道仪暴露·································································6

4.3加速自然气候老化——用菲涅耳反射聚光器聚集太阳辐射的暴露···································7

4.4人工加速气候老化与人工加速辐射的暴露·································································7

5仪器·······················································································································7

5.1通则········