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Chinese National Standard Category: Basic standard and general method for coating

English Title: Paints and varnishes―Evaluation of degradation of coatings―Designation of quantity and size of defects,and of intensity of uniform changes in appearance―Part 7:Assessment of degree of chalking by velvet method
Chinese Title: 色漆和清漆 涂层老化的评价 缺陷的数量和大小以及外观均匀变化程度的标识 第7部分:天鹅绒布法评定粉化等级
Standard No.: GB/T 30789.7-2015
Category No.: G50
Issued by: AQSIQ, SAC
Issued on: 2015-05-15
Implemented on: 2015-10-1
Status: valid
Superseded by:
Superseded on:
Abolished on:
Superseding:
Word Count:3500 words
Similar Standards: GB 9277.4-1988   GB 9277.3-1988   GB/T 1735-1979   GB 9277.1-1988   GB/T 31586.1-2015   GB 6515-1986   T/QX 003-2020   GB/T 11190-1989   T/CNCIA 03002-2020   GB 9279-1988   GB/T 1766-1979   T/CNCIA 01014-2020   GB 9277.2-1988   GB/T 9753-1988   GB/T 1726-1979   GB 9277.5-1988   GB/T 23986.2-2023   GB/T 39482.1-2023   GB/T 23981.2-2023   GB/T 6739-2022  
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