Standard No.:	GB/T 3681-2011
English Name:	Plastics—Methods of exposure to direct weathering,to weathering using glass-filtered daylight,and to intensified weathering by daylight using Fresnel mirrors
Chinese Name:	塑料 自然日光气候老化、玻璃过滤后日光气候老化和菲涅耳镜加速日光气候老化的暴露试验方法
Chinese Classification:	G31    Basic standards and general methods for synthetic resin and plastic
Professional Classification:	GB    National Standard
ICS Classification:	83.080.01 83.080.01    Plastics in general 83.080.01
Source Content Issued by:	AQSIQ;SAC
Issued on:	2011-12-30
Implemented on:	2012-10-1
Status:	superseded
Superseded by:	GB/T 3681.1-2021 Plastics—Methods of exposure to solar radiation—Part 1: General guidance GB/T 3681.2-2021 Plastics—Methods of exposure to solar radiation—Part 2: Direct weathering and exposure behind window glass
Superseded on:	2022-7-1
Superseding:	GB/T 14519-1993 - Method of exposure to indirect weathering using glass-filtered daylight
Target Language:	English
File Format:	PDF
Word Count:	11000 words
Translation Price(USD):	300.0
Delivery:	via email in 1~3 business day

本标准规定了将塑料在太阳辐射下暴露的试验方法,包括自然日光气候暴露(方法A)、通过玻璃滤光改变光谱分布来模拟建筑物或汽车窗玻璃后塑料老化的间接暴露(方法B)、或用菲涅耳镜加速日光老化暴露(方法C),目的在于评定塑料在这些规定暴露周期后的性能变化。
本标准规定了对上述试验所用装置和操作方法的一般要求。尽管本标准没有包括使用黑箱试验设备的直接老化,但需注意模拟材料最终使用温度下的暴露试验方法。