Chemicals Test
Iterm |
|
BaSO4, ﹪ ≥ |
98.0 |
SiO2, ﹪ ≤ |
0.15 |
Fe2O3 ﹪ ≤ |
0.03 |
CaO, ﹪ ≤ |
0.39 |
HCL Insoluble Matte ﹪ ≥ |
98 |
Soluble in water ﹪ ≤ |
0.5 |
Heavy metal ﹪ ≤ |
0 |
Physical Test
1、Appearance : White Powder
2、Whiteness : ≥95
3、D50(um): 1.1~1.5
4、#325 Sieve Reside : 0.05%
5、B.E.T: 12000+/-200
6、Moisture: ≤0.50%
7、PH value: 7.5~9.5
8、True Specific Gravity: ≥4.25
9、Oil Absorption : 14.0~17.0