Demeter Technologies aluminum oxides are a great base for sapphire substrate polishing slurries. Thermal treatment in electronic specification kilns produces aggressive particles to polish sapphire in this demanding application.
Demeter Products
Aluminum Oxide and Colloidal Silica for Sapphire Substrates
Demeter Technologies aluminum oxides are a great base for sapphire substrate polishing slurries. Thermal treatment in electronic specification kilns produces aggressive particles to polish sapphire in this demanding application.
Aluminum Oxide and Colloidal Silica for Sapphire Substrates
Aluminum Oxide Products
| Product | Form | D50 µm | Dmax µm | pH | Alpha Al2O3 |
| SA-0.3 | slurry | 0.3 | 1.2 | 8-10 | 100% |
| SA-0.5 | slurry | 0.5 | 1.5 | 8-10 | 100% |
| SA-0.7 | slurry | 0.7 | 1.8 | 8-10 | 100% |
Colloidal Silica Products
| Product | Form | D50 nm | pH | Hardness |
| S-5 | slurry | 50 | 10.5-11.5 | Med |
| S-7 | slurry | 70 | 10.5-11.5 | Med |
Custom formulations are available on request.
