- Joined
- Apr 19, 2007
- Messages
- 8,706
- Reaction score
- 7,170
- Points
- 393
- Location
- USA
- Printer Model
- Canon MB5120, Pencil
Take a look at forum member @apetitphoto 's link above. In it, the author's conclusion:Get a read of ISO 12757-2.
This comment is shared by others I have read from a Google search."The DIN ISO 12757-2 standard is complete hype. It fades so badly that it's barely different than a regular Bic."
I have read there are gel pens having archival qualities that stand up to sunlight, but that these roller ball pens are not as adept for artists as ball point pens.