Choosing the right keycap material is essential for gamers who want durability and a satisfying typing experience. Different materials offer varying levels of wear resistance, feel, and appearance. This article compares the most common keycap materials used in gaming keyboards: ABS, PBT, POM, and PBT-ABS blends.

Common Keycap Materials

The primary materials used for keycaps are ABS (Acrylonitrile Butadiene Styrene), PBT (Polybutylene Terephthalate), POM (Polyoxymethylene), and blends of PBT-ABS. Each material has unique properties that influence durability, feel, and appearance over time.

ABS Keycaps

ABS is a popular plastic used in many consumer electronics due to its affordability and ease of manufacturing. It produces shiny, smooth keycaps that can be easily colored and printed on. However, ABS is prone to wear and shine with prolonged use, leading to a less desirable appearance over time.

Advantages of ABS

  • Low cost
  • Easy to produce with vibrant colors
  • Good for custom printing and dye sublimation

Disadvantages of ABS

  • Prone to shine and wear over time
  • Less resistant to physical wear
  • Can develop a sticky or greasy feel with prolonged use

PBT Keycaps

PBT is a more durable plastic known for its resistance to wear and shine. It maintains its texture and color longer than ABS, making it a preferred choice for high-quality gaming keyboards. PBT keycaps often have a matte finish that resists fingerprints and oil buildup.

Advantages of PBT

  • Highly resistant to wear and shine
  • Maintains matte finish over time
  • More resistant to chemical and environmental damage

Disadvantages of PBT

  • More expensive than ABS
  • Can be more difficult to dye or print on
  • Less flexible, which can lead to chipping if not manufactured properly

POM Keycaps

POM (Polyoxymethylene) is a high-performance engineering plastic known for its low friction and high durability. POM keycaps are less common but are valued for their smooth feel and longevity, especially in high-use gaming scenarios.

Advantages of POM

  • Exceptional durability and wear resistance
  • Very smooth surface, ideal for fast typing
  • Low friction reduces finger fatigue

Disadvantages of POM

  • More expensive than ABS and PBT
  • Limited color options
  • Challenging to dye or print on effectively

PBT-ABS Blends

Some keycaps are made from blends of PBT and ABS to combine the advantages of both materials. These blends aim to offer durability, good feel, and cost-effectiveness, though the properties depend on the specific formulation.

Advantages of PBT-ABS Blends

  • Balanced durability and cost
  • Potential for customizable appearance
  • Improved wear resistance over pure ABS

Disadvantages of PBT-ABS Blends

  • Variable quality depending on manufacturing
  • May not match the durability of pure PBT or POM
  • Potential for inconsistent color and texture

Conclusion

For gamers prioritizing longevity and resistance to shine, PBT and POM are the best choices. ABS keycaps are suitable for budget builds and custom designs but tend to wear faster. Blends of PBT and ABS offer a middle ground, balancing cost and durability. Selecting the right material depends on your budget, usage, and aesthetic preferences.