Attributes

Brand	-
Category	Stationery, Educational Electronics & Office Supplies / Pen Ink, Refills & Cartridges
Origin	-
Brand	Pilot
Model Number	IC-50
Ink Type	Non-Carbon Dye-Based
Color	Blue Black
Quantity per Pack	6 Cartridges
Compatibility	Pilot 78G, 88G, Smile, Guifei, V5, V7
Feature	Clog-Free Formula
Usage Type	Disposable/Single Use
Origin	Japan
Portability	Compact and Leak-Resistant

6 reviews

Anonymous

Mar 30, 2026

Rating: 4/5

Smooth writing experience

The ink color is a lovely deep blue-black. It dries reasonably fast on standard paper without feathering.

Anonymous

Mar 23, 2026

Rating: 5/5

Perfect fit for my Pilot 78G

These cartridges slide in effortlessly and the ink flow is incredibly smooth. No skipping or hard starts even after leaving the pen capped for a few days.

Anonymous

Mar 16, 2026

Rating: 5/5

Genuine quality

Always buy genuine cartridges for expensive pens. These work perfectly with my V7 converter setup as well.

Anonymous

Mar 14, 2026

Rating: 4/5

Great value pack

Good quality ink that writes cleanly. I deducted one star only because I wish they offered a bulk pack of 12 instead of just 6.

Anonymous

Mar 13, 2026

Rating: 5/5

No more clogging!

I switched from a generic brand to these genuine Pilot cartridges and the difference is night and day. My pen hasn't clogged once since switching.

Anonymous

Mar 13, 2026

Rating: 5/5

Ideal for travel

I keep a few of these in my laptop bag for my Pilot Smile. They are small, lightweight, and never leak in my pocket.

5 FAQ

Q: What is the shelf life of these cartridges?

A: If stored in a cool, dry place away from direct sunlight, these cartridges typically remain usable for up to 5 years from the manufacturing date printed on the box.

Q: Is the ink waterproof?

A: No, these IC-50 cartridges contain dye-based ink which is not waterproof. If you need water resistance, we recommend looking into our pigment ink options.

Q: Are these cartridges compatible with the Pilot Metropolitan pen?

A: No, the Pilot Metropolitan typically uses the larger IC-100 cartridges. The IC-50 are designed for smaller nib units like those in the 78G, 88G, and Smile models.

Q: Can I use these in a Pilot V5 RT refillable pen?

A: Yes, the V5 RT (Refillable Technology) model is specifically designed to accept standard Pilot ink cartridges like the IC-50 once the original factory refill is removed.

Q: How many pages can one cartridge write?

A: While it varies based on writing style and nib size, a single IC-50 cartridge generally lasts for approximately 10 to 15 pages of continuous writing with a medium nib.

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