Franklin-Christoph Blue 72はPantone 72に対応するクラシックな濃紺で、優れた流動性と安定した性能が特徴です。淡～中程度の青色で微妙なシェーディングを持ち、青いインクが必要な書類への署名に特に適しており、プロフェッショナルな日常筆記に理想的なインクです。
特性
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レビュー・参考リンク
Franklin-Christoph Blue 72 Ink Review @1901FC - Gourmet Pens
Well-behaved ink that is a really nice bright blue without being washed out, featuring simple low-waste presentation.
Franklin-Christoph Blue 72 - Ink Review - The Writer's Armory
Blue 72 is a light to medium blue with a hint of shading and a distinct cut between light and dark tones, despite limited tonal variation.
Blue 72 - Franklin-Christoph - Ink Reviews
Blue 72 matches a Pantone number but is described as just another boring blue among many similar inks.
Franklin Christoph Swatch Tests - Fountain Pen Ink Art
Swatch tests of Franklin-Christoph inks including Blue 72, noting they are quality writing inks that are rich, dense, and show sheening and chromatography.