PTHHALIC ANHYDRIDE supplier ug tiggama sa China

PRODUCT PTHHALIC ANHYDRIDE (NAPHTHELENE BASED)
OPERATIBO GB/T 15336-2013
DILI. ITEM QUALITY INDEX RESULTA
1 KA TINGUHA NGA MGA PUTI NGA FLAKES O CRYSTALLINE POWDER WHITE FLAKES O CRYSTALLINE POWDER
2 MOLTEN COLOR (PT-CO) ≤20 10
3 KOLOR SA INIT (PT-CO) ≤50 30
4 SULFURIC ACID COLOR (PT-CO) ≤60 30
5 PURIDAD/% ≥99.50 99.96
6 CRYSTALLIZATION POINT ℃ ≥130.5 131.3
7 LIBRENG ASID /% ≤0.20 0.025