Staedtler Marsmatic Drawing Ink in black for Refillable Technical Pens, suitable for film and paper.
- 22ml Ink for Tracing Paper & Film - Black
- Archival Quality Pigment Ink
- Finely Processed to Flow Through Technical Pen Nibs
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Staedtler Mars 745M Drawing Ink is formulated for use in technical pens where drawing will be on either tracing paper or drafting film.
Technical pen inks are most commonly made for tracing paper where a level of absorption in to the surface can be expected.
This absorption speeds up the drying time on paper and aids the adhesion of the ink to the paper.
Drafting film has totally different characteristics as it is polyester based.
There is no absorption and if inks for paper are used they will dry slowly and not adhere well.
Staedtler Mars 745M Drawing Ink overcomes these issues by being a faster drying ink with added adhesive qualities.