On the other hand, valve-controlled pens allow for the entire area of the barrel to be dedicated to housing paint or ink. It is hard to measure how much ink is used in the production of capillary action markers because of the presence of the soak up mechanism. Capacityīecause capillary action markers use a soak up mechanism inside the pen, there is not much more space left to house ink. Capillary markers start to weaken after the first few uses.
I have heard stories of someone using a marker for over 30 years until they had to scramble to find if the marker company still existed so they could purchase another one. This is because the marker contents are not only sealed from the air by the cap but by the closed valve that only opens when the nib is being inked.Īs far as how many uses you get out of the product, valve action markers keep going and going and going all the way down to the last drop. They still work just as well as when they were made. We have found xylene markers from the 1960's and before. It is no question that valve action markers last much much much longer than capillary action markers. Mighty Marker® PM-19: an example of a valve-controlled permanent paint marker Comparison Lifespan
We always recommend to store markers on their side because of this and it is especially important to do it for capillary action markers. It is especially important to keep a capillary action marker capped when not in use since the ink is always exposed to air this way and is always evaporating. It drinks up the ink inside so that it can constantly supply the nib with ink. That is because much of the inside of the barrel is taken up by an absorbent sponge-like tube. You just take the cap off and start writing. Sharpie®, Avery® Marks a lot, even magic marker are known for their capillary action markers. If you have not heard of valve-action, this is likely the kind of ink marker you are used to. Before we can compare the differences between Valve Action markers and Capillary Action markers, we have to define what each are: Capillary action The Valve-Controlled Markers we make are quality tools and and not throw away items.
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