Starting – Mileage 300m at least – Strike through – Drying time -Reproducibility-Light resistance 15h- Water resistance 1h (without shelf life time) ISO 12757-1 Erasure – Ethanol -Hydro-Chloridric Acid Resistance- Ammonium Hydroxide Resistance- Bleaching Resistance – Water resistance 24h -Light resistance 60h ISO 12757-2