1. factory.
2.stability of quality
3. goog price.
4.large putput
5.personalized service

Appearance: White Crystalline

Content %: 99

H2SO4 %≤: 0.01

CL %≤: 0.0001

Pb %≤: 0.0005

Fe %≤: 0.0005

Mn %≤: 0.00005

Moisture %≤: 0.05

Active Oxygen %≥: 6.65

HS NO: 28334000

UN NO: 1505

CLASS: 5.1

CAS NO.7775-27-1