
ILT-U-3508
Pen determinations
DETERMIANTION | METHOD |
| 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 |

