How to Choose the Right Keycap Material for Your Keyboard
By SumLilThings - Home to the Lil' Misfits | Published: 2026-10-17
Category: Buying Guides
Learn the differences between ABS and PBT keycaps, and get practical tips for choosing the best material for your typing style and budget.
Quick answer
For most typists, PBT keycaps offer better durability and a textured feel that resists shine over time. ABS keycaps are lighter and produce a softer sound, but they wear faster. Your choice should match your typing style, budget, and whether you prefer a matte or glossy finish.
ABS vs PBT: What's the Difference?
ABS (Acrylonitrile Butadiene Styrene) is the most common keycap plastic. It's inexpensive, easy to mold, and produces a crisp, higher-pitched sound. The downside? ABS keycaps develop a shiny, greasy look on frequently used keys after a few months of regular typing. This shine is a sign of wear, not dirt, and it's irreversible.
PBT (Polybutylene Terephthalate) is a denser, more wear-resistant plastic. PBT keycaps feel textured and matte, even after years of use. They are heavier and produce a deeper, thockier sound. The trade-off is that PBT is harder to mold, so you'll find fewer color options and sometimes slightly thicker walls, which can affect keycap compatibility on some switches.
Keycap Profile and Compatibility
Keycap profile refers to the shape and height of each key. Common profiles include OEM (tall and sculpted), Cherry (shorter and sculpted), and XDA (uniform and flat). OEM is the most common on prebuilt keyboards, while Cherry is popular among enthusiasts for a lower typing angle. Before buying a full set, check that the profile matches your keyboard layout, especially for non-standard sizes like a 1.75u right Shift or a 6.25u spacebar. Most aftermarket keycap sets include extra keys for compatibility, but always verify the row and stem type (MX-compatible stems are standard for mechanical switches).
How to Decide Based on Your Typing Style
If you type for long hours and want a consistent, non-slip feel, PBT is the better choice. Its textured surface gives your fingertips a tactile grip, reducing fatigue. If you prefer a lighter, more responsive feel with a sharper sound, ABS may suit you. ABS is also the only material for double-shot legends (where the letter is a separate plastic piece), which never fade. PBT legends are usually dye-sublimated, which can fade over time on light-colored keycaps.
Decision Rules for Keycap Material
- Durability priority: If you want keycaps that resist shine and maintain a matte texture for years, choose PBT. ABS will develop a glossy look on high-use keys within months. PBT lasts longer with less visible wear.
- Sound preference: ABS produces a higher-pitched, crisper sound. PBT yields a deeper, thockier sound. Listen to sound tests online if you're sensitive to keyboard noise. ABS for bright sound, PBT for deep sound.
- Legend longevity: Double-shot ABS legends never fade because the letter is molded through the keycap. Dye-sublimated PBT legends can fade on light-colored caps over years of heavy use. ABS wins for legend durability.
- Budget: ABS keycap sets are generally cheaper and easier to find in stock. PBT sets cost more but offer better long-term value if you plan to keep the keyboard for years. PBT is a better long-term investment.
Products to Complement Your Keycap Setup
- Lil' Demon Slayer Stickers: Quarter sized sticker sheet 3.5 x 4.5" Printed on non-removable vinyl matte sticker paper Each sheet is kiss-cut, ready to peel and use Customize your keyboard case or desk mat with these durable matte stickers without worrying about residue or peeling.
- Lil’ Summer Reading Stickers: Use these adorable stickers in your planners, journals, notebooks and more! Each sheet features original hand-drawn artwork of the Lil' Misfits by SumLilThings. Add a personal touch to your keyboard's carrying case or your workspace notebook with these themed stickers that match the Lil' Misfits aesthetic.
Which Keycap Material Is Right for You?
Best for
- Typists who want a textured, non-slip feel and long-term durability
- Enthusiasts who prefer a deeper, thockier sound profile
Not for
- Users who want a lighter, more responsive feel with a sharper sound
- Those on a tight budget who need a full set quickly
