GB/T 30789.4-2015 Paints and varnishes-Evaluation of degradation of coatings-Designation of quantity and size of defects ,and of intensity of uniform changes in appearance-Part 4: Assessment of degree of cracking

Standard Number: GB/T 30789.4-2015
Chinese: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4部分：开裂等级的评定
English:Paints and varnishes-Evaluation of degradation of coatings-Designation of quantity and size of defects ,and of intensity of uniform changes in appearance-Part 4: Assessment of degree of cracking

Effective Date:2016-02-01
Regulatory Authority:China Petroleum and Chemical Industry Federation
Issuing Regulatory Authority:General Administration of Quality Supervision, Inspection and Quarantine of the People’s Republic of China,National Standardization Administration of China

Adheres to international standards:Y
PDF Downloadable:N

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