Barite Standard
|
Whiteness |
BASO4(%) |
Specific Gravity |
|
80 |
92% |
4.1 |
|
82 |
92% |
4.1 |
|
85 |
95% |
4.2 |
|
85 |
97% |
4.3 |
|
88 |
97% |
4.3 |
|
90 |
≥93% |
4.15 |
|
94 |
≥98% |
4.4 |
Technical Specification
|
Technical Specification |
Fineness |
Whiteness |
BASO4(%) |
Specific Gravity |
Granularity |
|
Rock oil Grade |
325 |
|
>90 |
4.20 ↑ |
20 |
|
The paint and coating industry |
325 |
>80 |
>90 |
4.25 ↑ |
12.0 |
|
400 |
>90 |
>97 |
4.34 ↑ |
13.0 |
|
|
600 |
>90 |
>97 |
4.30 ↑ |
13.0 |
|
|
800-1250 |
>90 |
>97 |
4.30 ↑ |
13.0 |
Barium sulphate precipitated standard（QB/SHB——01——01）
|
Technical Specification
|
Ⅰsort
|
Ⅱsort
|
|||
|
Special grade
|
Products first grade
|
Products up to standard
|
|||
| BaSO4 ( based on driedbas) %≥ |
98.0
|
97.0
|
96.0
|
98.0
|
|
| PH value |
6.5—8.5
|
9.0
|
6.5—9.5
|
6.5—8.5
|
|
| Water melted material%≤ |
0.20
|
0.30
|
0.50
|
0.20
|
|
| Acid melted material%≤ |
0.60
|
0.80
|
1.00
|
0.60
|
|
| Sulfide(taking S) %≤ |
0.003
|
0.005
|
/
|
0.003
|
|
| 105℃volatilization Material%≤ |
0.20
|
0.30
|
0.50
|
28.0( cliente
claim) |
|
| Fe（Taking Fe）%≤ |
0.004
|
0.006
|
/
|
0.004
|
|
| Oil-absorbed g/100g |
15—30
|
15—30
|
15—30
|
/
|
|
| Whiteness |
94
|
92
|
88
|
94
|
|
| Fineness(aperture 45μm filter surplusage)%≤ |
0.20
|
0.20
|
0.40
|
0.10
|
|
|
Granularity Distributing
|
less than 10μm %≥
|
80
|
/
|
/
|
90
|
|
less than 5μm%≥
|
60
|
/
|
/
|
70
|
|
|
less than 2μm%≥
|
25
|
/
|
/
|
50
|
|