H1 Hardener is ink hardener that produces a relatively flexible ink film. H1 is suitable for use with the following Marabu inks TPR, TPU, TPP, TPY, TPT, TPL.
H1 has a slower hardening time when compared to H2 film and does not yellow upon UV exposure. Store H1 in a dry place away from humidity and always close tube after use. Harder is available in liter, 100ml and 60ml amounts.