Standard No.:	GB/T 8941-2007
English Name:	Paper and board—Measurement of specular gloss(20°45°75°)
Chinese Name:	纸和纸板镜面光泽度的测定(20°45°75°)
Chinese Classification:	Y30    Papermaking in general
Professional Classification:	GB    National Standard
Source Content Issued by:	AQSIQ; SAC
Issued on:	2007-12-5
Implemented on:	2008-9-1
Status:	superseded
Superseded by:	GB/T 8941-2013 Paper and Board - Measurement of Specular Gloss
Superseded on:	2014-12-1
Abolished on:	2014-12-01
Superseding:	GB 8941.3-1988 Paper and board Measurement of specular gloss (75°) GB 8941.2-1988 Paper and board - Measurement of specular gloss (45°) GB 8941.1-1988 Paper and board Measurement of specular gloss (20°)
Target Language:	English
File Format:	PDF
Word Count:	8000 words
Translation Price(USD):	240.0
Delivery:	via email in 1~3 business day

本标准规定了以20°、45°、75°光泽度仪测定纸和纸板镜面光泽度的方法。20°光泽度测定法主要适用于铸涂纸、蜡光纸等高光泽度的纸和纸板,也适用于高印刷光泽度的纸和纸板印样。不适用于光泽度较低的涂布或未涂布的纸和纸板。
45°光泽度测定法主要适用于测定铝箔纸、真空镀铝纸等金属复合的纸和纸板。
75°光泽度测定法主要适用于涂布纸及纸板,也可用于未涂布纸及纸板或低印刷光泽度的纸及纸板印样,试样的颜色和漫反射比的差别对测定光泽度的影响不大。