GB/T 33070-2016
1-Vinyl-2-pyrrolidinone homopolymer for industrial use
GB/T 33069-2016
Determination of 1-vinyl-2-pyrrolidinone homopolymer for industrial use
GB/T 38349-2019
Determination of N-methyl pyrrolidone in rubber shoes and sports footwear
QB/T 5159-2017
Test method of artificialleather and synthetic leather-N-Methyl pyrrolidone content
DB34/T 2086-2014
T/SHXCL 0015-2022
T/SHXCL 0014-2022
T/SHXCL 0016-2022