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Office Stationery£2.91Visit shop Pentel S40 Pointliners Assorted Colours Pack of 6 S40-6 PE10834
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The Pentel S40 Pointliners are professional-grade fineliners designed for artists, illustrators, and students who require high-precision line work in their sketching and drawing projects. These pens deliver a consistent 0.4mm stroke that holds up well against mixed-media applications, though they are specifically formulated with dye-based inks which may lack the permanence of archival pigment-based alternatives.
| Model Part Number | S40-6 |
|---|---|
| Brand | Pentel |
No, the S40 Pointliners use water-based dye ink, which is not waterproof or archival.
You can use them in conjunction with watercolors, but it is recommended to apply the ink after the watercolor paint has completely dried to prevent smearing.
These pens feature a fixed 0.4mm nib.
Store them horizontally with the cap securely closed to keep the ink flow consistent.
No, the nibs are not replaceable. The pen is designed to be used until the ink supply is exhausted.
Ensure the tip is clear of paper fibers; if clear, store the pen nib-down for a few minutes or scribble on a scrap piece of paper to restart the flow.
Check if you are applying too much pressure; the metal-clad tip is designed for light to medium pressure. Excessive force can affect the flow.
Switch to a heavier weight paper (typically 90gsm or higher) designed for markers or ink work.
To ensure the longevity of your Pentel S40 Pointliners, always snap the cap firmly into place after each use to prevent the ink from drying out. Store the pens in a horizontal position when possible to maintain an even flow of ink toward the tip.
Regarding compatibility, these pens work best on standard sketchbook paper or bristol board. Avoid using them on highly absorbent or extremely textured surfaces, which can accelerate tip wear or cause the ink to feather. While the ink is compatible with most dye-based media, always test a small area before applying them over other mediums to ensure your chosen paper can handle the moisture.
