Universal Ink 3080F is extremely versatile waterproof ink with permanent adhesion, yet is easily erasable from drafting film. For film and paper.
Rapidraw Ink 3084F has a latex binder permitting optimum blackness and opacity. Waterproof and permanent, for paper and film.
Ultradraw Ink 3085F is waterproof and specially formulated to be non-clogging in technical pens. Longer open-time but quick drying on paper, non-smearing. For paper.