Diamine Document-Safe Ink Blue-Black

Diamine Permanent Ink is a highly advanced, water and light-resistant ink that has been specially developed for use in important documents and official documents. It meets the requirements for permanent inks and is ideal for archives, business documents and notarial work. Its high color intensity ensures clear, legible writing that does not fade.

The ink is water-based and offers excellent fluidity, allowing it to be used in most fountain pens without clogging. Diamine is a British company with a long tradition of ink manufacturing and is highly regarded by ink lovers and stationery connoisseurs around the world.