日韩精品无码一级毛片免费孕妇_午夜亚洲欧毛少妇无码传区_天堂av一卡二卡三卡在线观看_国产人成91精品免费观看_亚洲有码精品在线观看

Name:UV-329

CAS NO:3147-75-9

Molecular formula:C₂₀H₂₅N₃O

Molecular weight:323.4

Purity(%):99

Melting point(°C):103°C-106°C

Application: Used in PET ,PVC-U,PS,PMMA,PC,ABS,PO,Especially suitable for engineering plastic and transparent product .