China 'GB/T 20220-2006
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 20220-2006
Plastics - Film and sheeting - Determination of average thickness of a sample, and average thickness and yield of a roll, by gravimetric techniques (gravimetric thickness) 塑料薄膜和薄片 样品平均厚度,卷平均厚度及单位质量面积的测定 称量法(称量厚度)
Issued Date:2006-03-31
Implemented Date:2006-10-01
Issued by:
The Standardization Administration of the People's Republic of China