Crystal size (nm) |
Grade |
Surface treatment agent |
Features |
Inorganic |
Organic |
8 |
ST-485SA15
[cGMP-compliant] |
Aluminum hydroxide |
Stearic acid |
No bluish, superior transparency |
10 |
ST-457SA |
Aluminum hydroxide |
Stearic acid |
Excellent transparency |
ST-457EC |
Aluminum hydroxide |
Hydrogen dimethicone |
ST-457ECS |
Silica, aluminum hydroxide |
Hydrogen dimethicone |
12 |
ST-605SA |
Aluminum hydroxide |
Stearic acid |
Less bluish, excellent transparency |
ST-605EC |
Aluminum hydroxide |
Hydrogen dimethicone |
ST-450EC |
Aluminum hydroxide |
Hydrogen dimethicone |
Good balance of transparency and UV shielding |
15 |
ST-455 |
Aluminum hydroxide |
Stearic acid |
General-purpose grade |
STV-455 |
Aluminum hydroxide |
Stearic acid |
Excellent dispersibility |
ST-455FA |
- |
Stearic acid |
Aluminum-free |
ST-455WS |
Silica |
- |
Excellent water dispersibility |
ST-461EC |
Aluminum hydroxide |
Hydrogen dimethicone |
UVB, UVA, and blue light shielding |
ST-461SA |
Aluminum hydroxide |
Stearic acid |
ST-461WD |
Aluminum hydroxide |
- |
20 |
ST-410WB |
Silica, Aluminum hydroxide |
- |
Low surface activity |