Pen Cleaning Fluid is formulated to react with drawing ink so as to dissolve it efficiently. It can also be used for cleaning drafting instruments such as templates and lettering guides as the solution will not damage the plastic.
Allow plenty of soak time for badly encrusted nibs or ones that have been left unused for long periods.
Available in either Rotring 585280 100ml Bottle or Koh-I-Noor RAP30684 240ml Bottle.

Rotring Pen Cleaner Fluid

For Cleaning Drawing Instruments used with Non-etching Drawing Inks. 100ml of Concentated Technical Pen Cleaner for Cleaning Dirty, Encrusted Technical Pens and Nibs. Use Dissolved in Water.

Koh I Noor Pen Cleaner

Koh-I-Noor Rapido-Eze Pen Cleaner is formulated to dissolve old ink from technical pens and nibs. Available in 240ml bottle.