# PBT vs ABS Keycaps

Source: https://mechkeeblab.com/blog/pbt-vs-abs-keycaps
Published: 2026-07-24
Publisher: MechKeeb Lab

ABS is softer and smoother, takes bright colours well, but develops a shine over time as fingers polish high-traffic keys. PBT is denser and more textured, resists that shine far longer, sounds slightly deeper, and is often marketed as more durable. Legend quality (doubleshot molding or dye sublimation vs cheaper printed legends) matters as much as the base plastic. Choose PBT for texture and longevity, ABS for a smooth feel and vivid doubleshot colours. Keycaps are made from plastic, and the two dominant materials are PBT and ABS. The plastic you choose affects how the caps feel under your fingertips, how they sound, how long they keep their fresh surface, and often how the legends are made. Knowing the difference helps you read product listings and set the right expectations before buying.

## ABS: smooth and vivid, but it shines over time

ABS is a softer, smoother plastic that is easy to mold and takes crisp, bright colors well. Its main weakness is that the surface tends to develop a smooth shine over time as your fingers polish the high traffic keys. Many people do not mind this, and high quality ABS can feel excellent, but the shine is the trade off that comes with the material.

## PBT: textured and shine-resistant

PBT is a denser, more textured plastic that resists that shine far longer and generally has a slightly grippier, drier surface feel. It tends to sound a touch deeper and more muted than ABS to many ears. Because PBT resists wear, it is often marketed as the more durable long term choice, which is why it appears on many enthusiast sets.

## Legends matter as much as the plastic

Legends matter as much as the plastic itself. Both materials can use durable legend methods such as doubleshot molding, where a second plastic forms the character so it can never wear off, or dye sublimation, where dye is infused into the surface. Cheaper caps may use printed or pad printed legends that can fade, so the legend process is worth checking regardless of material.

## Choosing between them

In practice, PBT is the common recommendation for people who want a textured feel and long lasting looks, while ABS remains popular for its smooth feel and vivid colors, especially on doubleshot sets. Neither is wrong. Decide whether shine resistance and texture matter more to you than a silky surface and bright color, and buy the plastic that matches that priority.

## Frequently asked questions

What is the difference between PBT and ABS keycaps? ABS is softer and smoother but develops a shine over time from finger contact; PBT is denser and more textured and resists that shine far longer, with a slightly deeper sound.

Why do my ABS keycaps look shiny? ABS is a softer plastic that your fingers gradually polish on high-traffic keys. It is a known trade-off of the material, not a defect.

Are PBT keycaps more durable than ABS? PBT is generally considered more durable because it resists surface wear and shine better, which is why it appears on many enthusiast sets, though quality ABS can still feel excellent.

What keycap legend method lasts longest? Doubleshot molding, where a second plastic forms the legend so it can never wear off, or dye sublimation. Printed or pad-printed legends on cheaper caps can fade over time.

## Related buying guides

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- https://mechkeeblab.com/best/pe-foam