Hujiang brand barium sulfate(superfine) is made by advanced physical process with special modification,performance is superior.It is high whiteness,good dispersibility,superfine,super clean, is the first grade in similar products. It can absorb X-rays,gamma rays and promote density and surface smooth.It is used in producing paint,ink,coating, plastic,rubber,chip friction pieces,ceramics,glass,electronics,cosmetics,medicine,food.
1、Main standard
|
Chemical composition |
Barium Sulfate ( BaSO4 )/ Superfine |
|
Appearance |
White powder |
|
Package |
25kg woven bag， 1000kg big bag |
|
Characteristics |
It is made by advanced process.It is good whiteness,high purity. |
|
Application |
It can absorb X-rays,gamma rays and promote density and surface smooth.It is used in producing paint,ink,coating, plastic,rubber,chip friction pieces,ceramics,glass,electronics,cosmetics,medicine,food. |
2、Specification
|
No |
Item |
Unit |
Index |
|
First grade |
Qualyfied grade |
|
1 |
Assay(Barium Sulfate) |
％ |
≥98 |
≥95 |
|
2 |
105 ℃ Volatile content |
％ |
≤ 0.3 |
≤0.5 |
|
3 |
Water soluble matter |
％ |
≤0.2 |
≤0.5 |
|
4 |
Moisture |
％ |
≤0.15 |
≤0.15 |
|
5 |
PH Value of aqueou suspension |
|
6.5-8.0 |
6.5～8.5 |
|
6 |
Oil absorption |
％ g/100g |
10-30 |
10-30 |
|
7 |
Iron（Fe） |
％ |
≤0.003 |
≤0.05 |
|
8 |
Whiteness |
％ |
92-96 |
90-94 |
|
Fineness：325 Mesh、400 Mesh、600 Mesh、800 Mesh、1250 Mesh、2000 Mesh、3000 Mesh、6000 Mesh、8000 Mesh、12500 Mesh、15000 Mesh（it can according to clients demand） |
|
Barium sulfate