7740 Glass Sheet (Corning)

Substrate - 7740 glass sheet (Corning)    

1. Diameter: 4~8 inches    

2. Thickness: 200~500um    

3. Surface finish: <0.5nm (optical grinding on both sides)    

4. Customizable positioning edge: 32.5±2mm (4 inches)    

5. Lead angle: 0.05～0.2mm    

6. Packing: Vacuum packing box, 25 pieces/box    

7. Belongs to borosilicate glass, which is corrosion resistant to all acids except hydrofluoric acid preheated phosphoric acid. In hot alkali metal hydroxide liquids, surface fogging and corrosion can occur.