Hujiang brand barium sulfate(modified superfine) is made by advanced physical process with special treated.The product is good performances,whiteness,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 )/ Modified superfine |
|
Appearance |
White powder |
|
Package |
25kg woven bag/kraft paper bag， 1000kg big bag |
|
Characteristics |
It is made by advanced physical process with special treated.The product is good performances,whiteness,dispersibility,superfine,super clean |
|
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 |
|
Excellence grade |
First grade |
|
1 |
Assay(Barium Sulfate) |
％ |
≥98 |
≥97 |
|
2 |
Dispersibility |
％ |
≤ 15um |
≤20um |
|
3 |
Water soluble matter |
％ |
≤0.3 |
≤0.5 |
|
4 |
Moisture |
％ |
≤0.15 |
≤0.15 |
|
5 |
PH Value of aqueou suspension |
|
6.5-8.0 |
6.5～9.0 |
|
6 |
Oil absorption |
％ g/100g |
15-25 |
15-25 |
|
7 |
Residue on Sieve 30μ |
％ |
≤0.05 |
≤0.1 |
|
8 |
Whiteness degree |
％ |
92-95 |
90-93 |
|
9 |
Density |
|
4.0-4.5 |
4.0-4.5 |
|
Fineness：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