FAQ：Drawing pen F series

1. Please tell me the pH level of Copic Drawing Pen F series…
2. I forgot to put cap on, and the pen has dried out…
3. Is the ink of Drawing Pen F series compatible with Copic markers?
4. Is Copic Drawing Pen F01 a dip pen?
5. Why the ink for Copic Drawing Pen F series is not refillable?
6. Is Copic Drawing Pen F series can be used for drawing the Beta-Flash effect (focusing lines represent the shine or speed)?
7. Is there variation in quality of tip for Copic Drawing Pen F series?
8. What is the tip of Copic Drawing Pen F series made of?
9. Will the tip of Copic Drawing Pen F series be worn away?
10. I heard the ink for Copic Drawing Pen F series is water-resistant.
11. Eraser might cause the blurs or disappearance of lines?
12. The drawing lines became wider…
13. I feel like the ink for Copic Drawing Pen F series seems “light”…
14. Is Copic Drawing Pen F01 suitable for heavy lines?