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It is popular product in Japanese office
After World War II the ballpoint pen started to replace the pencil as the writing instrument for the masses. People were using ink to quickly jot notes, write letters and even draft documents. But alas, any mistake of the handwritten word had to be colored over leaving an unsightly blemish that distracted the reader’s eye. Following a decade of research and development failures, in the early 80s the first erasable ink pens reached the marketplace. What made these new ballpoints so different from traditional pens was the ink. Instead of being made from oils and dyes, it was made with a liquid rubber component that had to be slightly pressurized to ensure a continuous flow. A positive consequence that made writing at a wider range of pen angles possible. However, some care has to be taken in protecting the written message (and the pen) from excessive heat that can cause the ink to fade.
(Source: Pilot Website)
Last update on 2018-08-17 / Affiliate links / Images from Amazon Product Advertising API