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Rohrer & Klingner Dokumentus fountain pen ink is designed for permanent writing on archival documents. It is waterproof and meets the durability requirements of DIN ISO 12757-2. Its use for official documents has been certified by the Paper Technology Foundation in Heidenau, Germany.
Its pH-balanced formula consists mainly of natural binders and pigments. The ink is handcrafted and comes in a glass bottle. After use, the pen cap should be closed to prevent the nib from clogging.
Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.
