Function: It is used as raw and processed materials for making inkstone salt, pigment, optical glass, paint, pottery and poreelain, radio cell and so on.
Specification: (standard number:GB1614-89):
Item
high-class product
first-rate product
qualified product
content(BaCO3) (%)≥
99.2
99.0
98.5
moisture conten (%)≤
0.30
0.30
0.50
dregs of hydrochloric acid insoluble matter burned (%)≤
0.15
0.25
0.50
SO4 (%)≤
0.20
0.30
0.40
Fe(%)≤
0.004
0.004
0.008
125um (%)≤
0.20
0.30
0.50
850um (%)≤
1
1
1
150um (%)≥
75
75
75
Packaging: Net weight 25kgs,50kgs or 1000kgs. Weave bag with plastic film in it, and with neutral mark.
