At present, many domestic pen manufacturers are playing the erasable market. There are several types of erasable pens available on the market: erasable ballpoint pens, erasable gel pens rubbed with a pen, erased with an eraser. The color is very light, the erasable gel pen, the erasable gel pen that can be wiped off by hand, and the erasable gel pen which can be wiped with ordinary rubber. We will analyze each product in detail below!
Erasable ball-point pen: The refill pen of environmentally-friendly erasable pen is represented by “Qingda Huayanâ€. This type of pen has been sold in the market for nearly 10 years. Although the merchant has also done a lot of publicity and promotion, the sales in the domestic market have been Did not get up. It is said to be teamed up with famous chemical experts from Qingda, using surface fine chemical technology, using special polymer materials, and assembling them in high-quality copper core tubes through special processes. Due to the principle of coating the film on the paper, the viscosity of the ink is large, and it is necessary to use high-pressure air to press the ink out of the tip. In this type of pen, the degree of erasability and writing fluency are contradictory. To write fluently, it is necessary to reduce the degree of erasability. To be able to rub well, it will inevitably affect the fluency of writing, and it is difficult to be perfect. Moreover, because the high-pressure air is used to press the ink out of the pen tip, the sealing of the entire refill is very important, and generally the shelf life is not long. Because of the factors such as erasability, writing fluency and shelf life, it is the reason why such pens are difficult to open.
Erasable gel pens that are rubbed with a grinder. These pens are greatly improved when compared with the erasable ballpoint pens, but they do not meet people's writing habits, and there are many restrictions on the modification: one modification Still can be modified many times, whether you need primary and secondary writing pens, these problems have been annoying such pens, and whether environmental protection is the biggest focus, so this kind of products featuring "Boma" has been difficult to have in China. improvement!
Eraser can be wiped with a very light color erasable gel pen. To be honest, the most critical problem of this type of pen is that it does not meet the people's habits, because the color is lighter than ordinary thermal fax, it is not suitable for scanning, it is difficult In the market promotion. In addition to the light color, there is also a pen that must use a large amount of water, which is not accepted by the public and has gradually withdrawn from the market!
The erasable gel pen with a soft eraser is very representative of Japan's "Mitsubishi". Now many domestic ink manufacturers are copying. Although Japan has given up this market, it is mainly a high profit factor! This kind of ink is pigment type, it is easy to dry the pen, and the writing handwriting can be easily erased with fingers, and even the friction between the papers will wipe off itself, so it has been difficult to have a big market!
Using an ordinary rubber erasable erasable gel pen, you must know that the real gel pen is used to write and save documents. It is difficult to make it with ordinary rubber eraser, and it has always been the direction of writing ink development. Many universities, including Tsinghua University, Shanghai University, Wuhan University, etc., have been working on this aspect of research, but because the difficulty is really great, there has been no breakthrough so far! In 2014, writing ink made a new breakthrough. The newly developed neutral erasable pen ink technology uses a high-quality pen and a special crafted erasable gel pen to change the so-called erasable neutrality. The status quo of the pen: Either it can be rubbed with a magic pen, the modification is inconvenient, the number of revisions is limited to one time, and it is not environmentally friendly; or the writing color is too light, it is not suitable for normal writing; some even purely made with pigment It is easy to block the pen, the writing is not fluent, and the so-called gel pen that spreads when the water is seen. Xiangxiang City Shenghua Stationery Co., Ltd. now offers an erasable gel pen that can be repeatedly erased with ordinary rubber, continuous and smooth writing, clean and leak-free ink, stable writing, bright colors, no fading, repeated modification and no toxicity. The characteristics of pollution, etc., not only retain the color and concentration of ordinary gel pens, but also have the erasable effect that ordinary gel pens do not have. The price is basically the same as that of ordinary gel pens. It is a product with excellent cost performance. The launch of this product will be warmly welcomed by all kinds of exam candidates and people from all walks of life, and its application prospects are very broad!
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