Hujiang brand barium sulfate(precipitated) is made by precipitated process,the physical performance is superior,littleimpurity,fineness uniform,white powder,no toxicity,insoluble in water,soluble in sulfluric acid,slightly soluble in HCl,chemical performance stability.It 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
1、Main standard
|
Chemical composition |
Barium Sulfate ( BaSO4 )/ Precipitated |
|
Appearance |
White powder |
|
Package |
25kg woven bag/kraft paper bag， 1000kg big bag |
|
Characteristics |
It is made by precipitated process,the physical performance is superior,littleimpurity,fineness uniform,white powder,no toxicity,insoluble in water,soluble in sulfluric acid,slightly soluble in HCl,chemical performance stability. |
|
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 |
|
|
1 |
Assay(Barium Sulfate) |
％ |
≥98 |
≥96 |
|
2 |
Dispersibility |
％ |
≤ 0.3 |
≤0.5 |
|
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 |
10-30 |
|
|
7 |
Residue on Sieve 30μ |
％ |
≤0.004 |
|
|
8 |
Whiteness degree |
％ |
92-96 |
90-94 |
|
9 |
Density |
|
4.0-4.5 |
4.0-4.2 |
|
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