What is the yellow thing in my pen?

A gel pen uses a water-based ink that contains a thickener. This thickener is what differentiates the gel ink from rollerball ink, which is much looser. The stopper prevents the water-based gel ink fro drying out and it also stops the ink from leaking out of the back of the pen.

What is the gel inside a pen?

Gel ink is made of powder pigments suspended in a water-based gel. Ballpoint ink is made of dye that’s fully dissolved and suspended in an oil-based paste. Gel ink is smoother, more vivid, plus more water- and age-resistant than ballpoint ink.

What is yellow liquid in gel pens?

The pigments are typically copper phthalocyanine and iron oxides, and the gel is made up of water and biopolymers, such as xanthan gum and tragacanth gum, as well as some types of polyacrylate thickeners.

What is the stuff at the top of a pen?

Tip or Nose Cone: Commonly referred to as the tip of the pen, the nose cone is a metal or plastic piece that holds the tip of the ink cartridge in position when the cartridge is extended for writing.

What is the gel inside pen refill?

The gel at the end of the ink column is called as ‘stopper fluid’. Basically gel pen’s ink is a suspension of colour particles in a water based gel,unlike the dye-alcohol thing in ballpoint pens. This thick and opaque gel-based ink can leak from the backside of the refill.

Why do pens skip?

Rollerball Pen Skipping when Writing Ensure you’re holding your pen at fairly shallow angle, but not too shallow, as the edge of the refill will be touching the paper and cause the pen to skip. Holding it at too steep an angle will also cause skips for similar reasons.

Do gel pens leak on planes?

When traveling by plane or traveling to different altitudes, some people have trouble with their gel pens exploding due to the change in air pressure. Once the pressure becomes too great, the ink has to go somewhere, and that, unfortunately, means leaking outside of the pen (and often onto your luggage).