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Different Plastic Keycaps Options for Custom Keyboard

Views: 25     Author: Site Editor     Publish Time: 2023-12-27      Origin: Site

Plastic Keycaps

Plastic Keycaps Legends for P+R rubber keyboard come in several forms: 

Silkscreen Printing.

It it the most common processes of plastic keycap. The cost is very low, but compared with the laser etching process, the key cap life is much shorter, the character is easy to fall off, so it is better to do UV coating on the characters.

Plastic Rubber Button
Silkscreen printed plastic keycap rubber keypad


Laser Etching.

Laser etching is also a common processing of key cap characters. There are two options, one is to laser engrave directly on the keycaps, without any other processes. The characters can only be white color. The other is the same as silicone rubber keyboard. Spray the different colors according to the requirements, and then laser out a variety of color characters.

backlit keycaps P+R rubber keyboard
laser etching plastic button keycaps

Double-shot moulding/dual-injection molding.

Doubleshot keycaps also called as dual injection molding keycaps. They are made from two separate pieces of plastic that are injection molded (stuck together) to create the keycap.

This manufacturing process allows for the keycap legends (numbers, letters, and symbols on top of the keycap) to be transparent so the RGB backlighting shines through (rather than painted on the keycaps).


Doubleshot keycaps are available in both PBT and ABS plastics.

One of the advantages of double shot molding is durable, and characters are almost impossible to wear off. Since the high development cost of double-shot keycaps, this process is always applied for high-end mechanical keyboard.

double-shot moulding plastic keycap
Dual-injection Molding Plastic Keycaps

Laser Etch legends onto the backside of keycaps.

The normal laser engraving process is processed on the front of the keycap, and this is on the back. The characters of keycaps by this way are more durable and will never fall off.

Plastic Numeric Keypad Outdoor
laser etched backlight plastic keycaps

Hollowing Out Silk Screen Printing.

It is a similar method with silicone rubber keyboard, which called as hollowing out silkscreen printing. This method is mainly applied to ABS plastic keycaps. That’s because ABS keycaps have better translucency.

It is also a backlit option. 

hollowing out silk screen printing plastic keyboard


Plastic Keycaps Protective Coating.

Ultraviolet(UV) Curing Coating.

Polyurethane(PU) Coating.

Polyurethane coated plastic rubber keyboard

PU Glossy Coating

P+R plastic rubber keyboard

Polyurethane(PU) Glossy Paint




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