PBT vs ABS Keycaps: Durability, Sound and Which to Buy
Updated
PBT keycaps are made from a harder, denser plastic with a slightly textured surface. They resist shine and usually sound deeper. ABS keycaps are smoother, cheaper to make, take bright colors and crisp legends well, but develop a shiny, greasy look with use and usually sound higher-pitched. Thickness matters as much as material, so a thick ABS set can still sound deeper than a thin PBT one.
PBT vs ABS at a glance
| PBT | ABS | |
|---|---|---|
| Surface | Slightly grainy, matte | Smooth |
| Shine over time | Resists it for years | Shines noticeably with use |
| Sound | Usually deeper, duller | Usually higher, brighter |
| Colors | Often more muted | Vibrant, glossy |
| Common legend method | Dye-sublimation, doubleshot | Doubleshot, pad printing |
| Long keys | Can warp slightly (spacebar) | Stays flat more easily |
| Cost | Mid to high | Cheap to very expensive |
Which is more durable?
PBT. It's harder and more resistant to the oils from your fingers, so it keeps its texture far longer. ABS gradually polishes smooth under your fingertips, which shows up as shiny spots on the keys you use most. ABS is also more prone to yellowing with sunlight over the years.
That said, high-end doubleshot ABS sets are thick and well made, and their legends never wear off, because the legend is a second piece of plastic molded through the key. Shine is a cosmetic issue, not a failure.
Which sounds better?
PBT is usually described as deeper and more muted, ABS as brighter and clackier. That's why thick PBT sets show up so often in thocky builds. But wall thickness and profile change the sound just as much as material. See do keycaps affect sound. Here's how keycap materials compare in community sound ratings:
Why are some ABS keycaps so expensive?
Premium doubleshot ABS sets (GMK is the best-known) are made in small runs with very precise color matching and sharp legends. Their price comes from production quality and limited runs, not from the plastic itself. Many people prefer their color and smoothness despite the shine.
Which feels better?
It's personal. PBT's light texture gives grip and feels dry. ABS feels smooth and, once worn in, slick. Some people love the glassy feel of shined ABS; others find it slippery.
Should you get PBT or ABS?
- Want them to look new for years? PBT.
- Want a deeper sound? Thick PBT is the usual starting point.
- Want bold colors and crisp legends? Doubleshot ABS.
- On a budget? Thick PBT gives the best value; avoid thin ABS sets, which are the main reason many stock keyboards sound hollow.
Frequently asked questions
Is PBT better than ABS?
PBT is more durable and resists shine, so it's the better value for most people. Premium doubleshot ABS is still popular for its colors and smooth feel.
Do PBT keycaps sound better?
They usually sound deeper and more muted, which many people prefer. Thickness and profile matter as much as material, though.
Why do ABS keycaps get shiny?
ABS is softer than PBT, so the oils and friction from your fingertips gradually polish the textured surface smooth.
Are PBT keycaps worth it?
For most people, yes. A thick PBT set is one of the most noticeable upgrades for both feel and sound on a budget keyboard.