Standards
The International Organization for Standardization has published standards for roller ball pens:
- ISO 14145-1
- 1998: Roller ball pens and refills – Part 1: General use
- ISO 14145-2
- 1998: Roller ball pens and refills – Part 2: Documentary use (DOC)
Most roller ball refills do not comply to the ISO 14145-2:1998 standard, meaning they are not approved for documentary use.
Read more about this topic: Rollerball Pen
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—John Dos Passos (1896–1970)