Standard No.:	GB/T 24980-2020
English Name:	Rare earth long afterglow phosphors
Chinese Name:	稀土长余辉荧光粉
Chinese Classification:	H65    Rare metals and their alloys
Professional Classification:	GB    National Standard
ICS Classification:	77.120.99 77.120.99    Other non-ferrous metals and their alloys 77.120.99
Issued by:	SAMR; SAC
Issued on:	2020-11-19
Implemented on:	2021-10-1
Status:	valid
Superseding:	GB/T 24980-2010 Long afterglow phosphors activated by rare earths
Language:	English
File Format:	PDF
Word Count:	7500 words
Price(USD):	190.00
Delivery:	via email in 1~3 business day

本标准规定了稀土长余辉荧光粉的技术要求、试验方法、检验规则、标志、包装、运输、贮存及质量证明书。
本标准适用于经高温固相反应制得的铝酸盐体系、硅酸盐体系、硫氧化物体系的稀土长余辉荧光粉，主要用于消防领域的应急标志、逃生标志，塑胶、油墨、陶瓷行业的弱光指示，户外、道路等暗视觉环境下的指示和弱光照明。