PBT vs ABS Keycaps

Quick verdict

Both are credible options, the right choice depends on which strengths matter more to you. If still torn, the buying guide linked below walks through the decision step by step.

Head-to-head

The differences that actually change the buying decision.

The Shine Problem With ABS

The most common complaint about ABS keycaps is "shine", a glossy, polished appearance that develops on the keycap surfaces in high-contact areas after extended use.

Shine is caused by friction polishing: the sk in oils and repeated mechanical contact from fingertips gradually smooth and polish the ABS surface.

The same process that makes plastic look worn after years of handling.

Feel Difference

The texture difference between PBT and ABS is subtle but real: ABS: smooth, slightly glossy out of box.

Feels slicker under the fingers.

Some users describe it as feeling like a consumer plastic toy.

Sound Profile Impact

Keycap material affects sound in a measurable way: ABS: higher-pitched sound profile, particularly at bottom-out.

The thinner, softer material resonates at a different frequency than PBT.

PBT: deeper, thicker sound profile.

When ABS Is Acceptable

Pudding keycaps: translucent-sided keycaps for RGB illumination are almost always ABS.

PBT pudding keycaps exist but are rarer and more expensive.

For RGB-focused gaming keyboards: ABS pudding is the practical choice.

When PBT Is Worth the Premium

Daily driver keyboards used for 4+ hours per day: PBT keycaps extend the time before the keyboard shows use.

Tactile feedback focus: PBT texture provides more finger purchase on the keycap surface, relevant for touch typists and for users who notice the keycap feel during typing.

Long-term ownership: if you plan to use the same keyboard for 3-5 years, PBT maintains its appearance significantly longer than ABS.

More comparisons

• Cherry vs OEM vs SA Keycap Profiles