What is the Difference Between ABS and PBT?

ABS and PBT are two types of plastics used in the manufacturing of keycaps. They have different properties, feel, sound, and appearance. Here are the main differences between ABS and PBT keycaps:

1. Material: ABS (Acrylonitrile butadiene styrene) is a common polymer used in various applications, including keycaps. PBT (Polybutylene Terephthalate) is a more brittle, durable, and textured plastic.
2. Texture and Feel: ABS keycaps are smooth and shiny, while PBT keycaps have a textured and matte finish. PBT keycaps often feel 'softer' and less harsh to the touch.
3. Durability: PBT keycaps are more robust and wear more slowly than ABS keycaps. They also have a more even pattern of wear, making them stay usable and visually appealing for longer. PBT is more resistant to UV degradation, which causes vibrant keycaps to lose their color over time.
4. Sound: ABS keycaps produce a softer sound when typing, while PBT keycaps produce a crisper and louder sound. The difference in sound is due to the material's rigidity and thickness, which cause PBT keycaps to vibrate less.
5. Color Options: ABS keycaps are generally more vibrant and have a wider range of design options. PBT keycaps, although available in a few colors, usually do not have bright and vivid colors like ABS keycaps.
6. Warping: PBT keycaps are more prone to warping and bending, especially in larger keycap sizes like 7u spacebars.
7. Cost: PBT keycaps are usually more expensive than ABS keycaps due to the more difficult production process and the higher quality of the material.

While PBT keycaps are generally considered superior to ABS, personal preference plays a significant role in determining which type is better for an individual user.

Comparative Table: ABS vs PBT

The main differences between ABS and PBT keycaps are their material properties, texture, durability, color options, and sound. Here is a table summarizing the differences:

In summary, ABS keycaps are generally more affordable and available in a wider range of colors, but they are less durable and can become shiny and slippery with use. On the other hand, PBT keycaps are more durable, have a textured finish, and produce a crisper sound, but they are more expensive and have fewer color options. The choice between ABS and PBT keycaps ultimately depends on personal preference and priorities, such as durability, texture, color, and sound.