|
Still deciding? Get samples of $ !
Request Sample
|
| Customization: | Available |
|---|---|
| Appearance: | Powder |
| Grade Standard: | Agriculture Grade |
Suppliers with verified business licenses
Audited by an independent third-party inspection agency
|
index |
Wonderful grade |
First grade |
Up to grade |
|
purity% ≥ |
99.6 |
99.4 |
99.0 |
|
suiphate group % ≤ |
0.08 |
0.10 |
0.20 |
|
ignition (850oC) % ≤ |
0.08 |
0.10 |
0.20 |
|
heavy metal % ≤ |
0.001 |
0.002 |
0.02 |
|
Iron content % ≤ |
0.0012 |
0.002 |
0.01 |
|
chlorides % ≤ |
0.003 |
0.004 |
0.01 |
|
calcium % ≤ |
0.0012 |
/ |
/ |
