Poron Modular Foam makes it easy to further improve keyboard acoustics. By applying this foam, any metallic ping when typing can be eliminated. This modular foam for keyboards comes pre-cut and with 1 side adhesive, so it is especially easy to apply it to your mechanical keyboard.
By sticking these to the back of the plate, one can isolate and dampen sound between the plate and PCB. With this modular design, all PCB layouts are compatible.
The modular design makes it compatible with many PCB layouts
Each set contains 16x4-hole, 16x3-hole, and 40x1-hole foam.