PTHHALIC ANHYDRIDE supplier at tagagawa sa China

PRODUCT PTHHALIC ANHYDRIDE (NAPHTHELENE BASED)
OPERATIVE GB/T 15336-2013
HINDI. ITEM QUALITY INDEX RESULTA
1 HITSURA MGA PUTI NA FLAKES O CRYSTALLINE POWDER MGA PUTI NA FLAKES O CRYSTALLINE POWDER
2 MOLTEN COLOR (PT-CO) ≤20 10
3 KULAY NG INIT (PT-CO) ≤50 30
4 SULFURIC ACID COLOR (PT-CO) ≤60 30
5 PURITY/% ≥99.50 99.96
6 CRYSTALLIZATION POINT ℃ ≥130.5 131.3
7 LIBRENG ACID /% ≤0.20 0.025