When looking to buy custom keycap sets for your mechanical keyboard, two acronyms repeatedly pop up: ABS and PBT. Both terms represent the type of plastic that the caps are composed of, and understanding their differences is essential when making the right buying decision. ABS and PBT have differences in sound, feeling, durability, and price.
This article will help you find the material best suited for your needs. We will be breaking down both materials, discussing their pros and cons. Some attributes discussed below are subjective, so we encourage testing both keycap materials on your mechanical keyboard before making a decision.