ISO 27668-1:2017 establishes minimum quality requirements for gel ink ball pens (refillable and non-refillable) and refills for general use.
Additional requirements for gel ink ball pens for documentary use are given in ISO 27668‑2.
| CSA Group | |
|---|---|
| Product Category | Standards and Technical Documents |
| Product Number | ISO 27668-1:2017 |
| Product Name | Gel ink ball pens and refills - Part 1: General use |
