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Inside the 50ml hand-blown glass bottle, Pilot Iroshizuku Shin-Kai provides a water-based blue-black ink. This alkaline formula maintains consistent flow across various nib sizes. Its low surface tension prevents clogging and promotes distinct shading during long writing sessions.
Key Features
- Glass Reservoir Bottle: 50ml hand-blown vessel includes a tapered bottom ink well. Collects every drop when volume gets low.
- High-Flow Lubrication: Water-based formula with low surface tension for consistent delivery. Reduces nib creep during high humidity.
- Pigmentation Depth: Deep sea tone with visible red sheen on coated paper. Minimizes feathering and bleed-through on sheets.
- Non-Acidic pH: Alkaline chemistry protects internal converter components from corrosion. Extends the lifespan of modern filling systems.
Frequently Asked Questions
Is Pilot Iroshizuku Shin-Kai waterproof?
This ink lacks waterproof properties and smears upon contact with liquid. It utilizes a dye-based formula for easy cleaning.
Is Iroshizuku ink safe for vintage pens?
The alkaline pH levels remain safe for most modern and vintage pens. Use caution with older latex sacs to prevent potential degradation.
