I'm in the process of using partial ball point and gel pens in order to clear them out. Seemed to have collected quite a number over the last few years. After one walked off two or three weeks ago, I was using a partial Uni-Ball Signo. As this pen tends to do, it grows lighter just before the ink runs out, implying it's mixing with that clear medium filled in the tubes. You could actually see it in this particular pen, a lightening of the blue ink. But there was something else: Over time, the ink seemed to shrunk into a column surrounded by the clear medium. That it isn't an even flow through the tube is interesting.
This morning I finally used it up. There was some ink in this one that had separated from the main body, but not much. I took another partial pen from my desk, the same type, and checked the ink. It had plenty enough, but the clear medium had flowed around the ink and formed a clear space at the base of the tube. Useless.
I took the last partial of this type in my desk, and it, too, had the clear medium flow around the ink, but this time left enough to use for a week or so.
A check of the same pen in my upright pen holder on my desk shows the ink column intact. I have some fuller pens here that I'm saving for after using the ones in my test. The slimming of the ink is clear in the two I've used for a time, but another, less used, has ink all across the tube.
That's when I checked my unused pens ordered some years ago. These are laying flat in boxes, and were the source for the partials. They all show some slimming of the ink column, but no breaks. This has me wondering if the slimming is from the point of manufacture, but then what of the one that doesn't show it?
Also checked my Pilot G2 pens. These show no slimming of the ink column, but the clear medium is starting to yellow. Like the unused Uni-Ball Signos, they have a bit of plastic over the tip that you brush off to use.
I'm thinking that, had I kept these partials upright, the ink wouldn't have separated. Wondering if ball points have the same problem, or if this is something that only affects gel pens.
Why am I mentioning this? Ball points and gel pens are cheap, right? Just toss and go again, right? But other than being a bit cheap myself, if we have some sort of special use gel pen, it might be better to store it upright. But the downside is that ball points and gels can leak this way, which is why there's such as thing as pocket protectors. Besides, it's interesting.
This morning I finally used it up. There was some ink in this one that had separated from the main body, but not much. I took another partial pen from my desk, the same type, and checked the ink. It had plenty enough, but the clear medium had flowed around the ink and formed a clear space at the base of the tube. Useless.
I took the last partial of this type in my desk, and it, too, had the clear medium flow around the ink, but this time left enough to use for a week or so.
A check of the same pen in my upright pen holder on my desk shows the ink column intact. I have some fuller pens here that I'm saving for after using the ones in my test. The slimming of the ink is clear in the two I've used for a time, but another, less used, has ink all across the tube.
That's when I checked my unused pens ordered some years ago. These are laying flat in boxes, and were the source for the partials. They all show some slimming of the ink column, but no breaks. This has me wondering if the slimming is from the point of manufacture, but then what of the one that doesn't show it?
Also checked my Pilot G2 pens. These show no slimming of the ink column, but the clear medium is starting to yellow. Like the unused Uni-Ball Signos, they have a bit of plastic over the tip that you brush off to use.
I'm thinking that, had I kept these partials upright, the ink wouldn't have separated. Wondering if ball points have the same problem, or if this is something that only affects gel pens.
Why am I mentioning this? Ball points and gel pens are cheap, right? Just toss and go again, right? But other than being a bit cheap myself, if we have some sort of special use gel pen, it might be better to store it upright. But the downside is that ball points and gels can leak this way, which is why there's such as thing as pocket protectors. Besides, it's interesting.