




| No. | UPI Part Description |
Application | Weight (g/m2) |
Thickness (mm) |
Hardness (Asker C) |
Nap Layer (μm) |
Pore Size (μm) |
|---|---|---|---|---|---|---|---|
| 1 | UNINAP 1 | Si-Wafer / Photo Mask Quartz Wafer / GaAs Wafer C-plane Sapphire Wafer |
530 | 1.47 | 57 | 530 | 65 |
| 2 | UNINAP 3 | Aluminum Hard Disk Substrate Stainless Steel |
480 | 1.45 | 55 | 500 | 84 |
| 3 | UNINAP 4 | Aluminum Hard Disk Substrate Stainless Steel |
480 | 1.45 | 57 | 500 | 84 |
| 4 | UNINAP 7 | Glass Disk | 350 | 0.95 | 67 | 570 | 25 |
| 5 | UNINAP 8 | Glass Disk Substrate / Blue Filter | 350 | 0.91 | 66 | 570 | 65 |
| 6 | UNINAP 13 | Protection Pad and Cushion Material | 160 | 0.47 | 60 | 470 | 56 |
| Grooving # |
Island Size (mm) |
Groove Width (mm) |
|---|---|---|
| #2 | 2×2 | 1 |
| #5 | 5×5 | 1 |
| #10 | 10×10 | 1 |
| #15 | 15×15 | 1.5 |
| #20 | 20×20 | 1.5 |
| #30 | 30×30 | 2 |

