The Pilot IC-50 ink cartridges are proprietary fountain pen refills designed specifically for Pilot and Namiki fountain pens. This vibrant ink is favored by users for its consistent flow and relatively fast drying time on various paper types.
Key Specifications
- Ink Type: Highly pigmented, carbon-free ink that resists UV fading.
- Cartridge Design: Proprietary “IC-50” snap-in design; not compatible with standard international fountain pens.
- Capacity: Approximately 0.90ml per cartridge.
- Packaging: Typically sold in a boxed set containing 6 cartridges.
Compatibility
These cartridges are compatible with most Pilot cartridge-loading fountain pens, including:


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