Compared to general materials, there are restrictions on the size range availability.
※Please contact us for requests outside the producible dimensions shown below.
BLANKS FOR VARIOUS PURPOSES
Blanks for Lenses Forming Mold
Achieves High Hardness and High Quality Surface Finish
Demand for aspherical lenses are increasing due to the need for higher precision in smartphones, in-vehicle cameras, surveillance cameras, etc.
High hardness and high quality surface finishes are achieved by ultra-fine grain structure with excellent uniformity and by minimizing the amount of binder.
Grade Properties
AF3005L , AF303L , and AF312L are available for Lenses Forming Mold.
For details, please refer to the technical information.
Swipe left or right
to see.
| Application | ISO code |
Grade | Hardness HRA | TRS | Characteristics | ||||
|---|---|---|---|---|---|---|---|---|---|
| HRA | Hv (GPa) |
(GPa) | Hardness | Low thermal expansion | Surface quality | Grind ability | |||
| Blanks for Lenses Forming Mold | --- | AF3005L | 25.3 | 1.3 | ◎ | ◎ | ◎ | △ | |
| --- | AF303L | 94.2 | 21.0 | 2.9 | ○ | ○ | ○ | ○ | |
| --- | AF312L | 92.5 | 17.3 | 4.4 | △ | △ | ◎ | ◎ | |
Microstructure Description
High hardness and high quality surface finishes are achieved by ultra-fine grain structure with excellent uniformity and by minimizing the amount of binder.
-
AF3005L
-
AF303L
-
AF312L
Size Availability