ABS vs. PBT Keycaps Difference: Which is Better?

When selecting a mechanical keyboard, the switch type is not the only variable that shapes your typing feel. The material of the keycaps plays a massive role in sound, longevity, and texture. The two most common plastics used to manufacture keycaps are **ABS (Acrylonitrile Butadiene Styrene)** and **PBT (Polybutylene Terephthalate)**. This article explores the core differences between these two plastics to help you choose the best keycap set.

1. ABS Keycaps: Smooth & Shiny

ABS is a softer copolymer plastic that is cheaper to manufacture. Most pre-built budget keyboards come default with thin ABS keycaps.

• Texture: Smooth to the touch. Over time, friction from typing wears down the plastic, creating a greasy, reflective, and "shiny" look.
• Thickness: Typically thin (1.0mm), leading to a higher-pitched, hollow click sound profile.
• Color & Fonts: Exceptional color vibrancy. ABS supports highly detailed Double-Shot injection prints.

2. PBT Keycaps: Matte & Durable

PBT is a much harder, premium thermoplastic. It is highly resistant to heat, friction, and chemical cleaners.

• Texture: Slightly textured, chalky, and matte. They maintain this rough, slip-resistant texture indefinitely and do not develop grease shine.
• Thickness: Usually thicker (1.4mm to 1.5mm), resulting in a deep, thocky, and solid sound profile.
• Durability: Prone to minimal wear and tear. PBT keycaps last for millions of keystrokes without decaying.

Summary: Which Should You Choose?

If you prefer a deep, thocky sound signature and want keycaps that never get greasy or shiny, invest in a **PBT keycap set**. However, if you prefer vibrant, colorful designs with smooth key textures, premium **Double-Shot ABS keycaps** from brands like GMK are a highly respected enthusiast choice.