China 'GB/T 30921.6-2025
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 30921.6-2025
Test Methods for Industrial-Grade Purified Terephthalic Acid (PTA) - Part 6: Determination of Particle Size Distribution 工业用精对苯二甲酸(PTA)试验方法 - 第6部分:粒度分布的测定
Issued Date:2025/12/2
Implemented Date:2026/7/1
Issued by:
The Standardization Administration of the People's Republic of China