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Spectrophotometer controls erasable pen color quality

Source: Spectrophotometer Browse: Release Date: 2019-12-10

Erasable pen is a popular writing tool. In order to ensure that the color of the erasable pen is clearly visible and easy to wipe, you can use a spectrophotometer to control it. The following is an application case for the spectrophotometer to control the color quality of the erasable pen. Interested friends may wish to take a look!

Erasable pen with spectrophotometer

The importance of erasable pen color quality:

When erasable pens entered the American mainstream market in the 1990s, they immediately became popular among scientists, classrooms, and engineers. Unlike chalk, erasable pens are not messy like chalk, but are clearly visible and very convenient. For consumers, they can use an erasable pen to write hundreds of times on the same surface without leaving colored streaks or dust. Therefore, erasable pens are very popular writing instruments in the world today. In order to ensure the vividness and erasability of the color of the erasable pen, it can be evaluated by a spectrophotometer to control the production quality of the product.

Method for measuring color of erasable pen with spectrophotometer :

When you need to measure the color of a permanent mark, just mark the color on a piece of white paper and measure it with a spectrophotometer. In theory, erasable pens can also be measured in this way, however, in practice, erasable pen markers present unique challenges that must be considered during the measurement process.

Unlike permanent or wet erasure markings made from a mixture of colored pigments and acrylic polymers, dry erasable pen markings use silicone-based polymers instead. This type of polymer has properties such as oiliness and extreme slippage, which gives the erasability of the mark. Although other acrylic polymers adhere to porous surfaces, the dry erasable pen markings are easier to remove from glass or whiteboard vendors. If properly configured, this mark will change color after a long period of storage (weeks or even months after the initial coating).

Although this situation indicates that the erasable pen is of high quality, it is difficult to accurately assess the color quality of erasable pens with ordinary color measurement. Therefore, you cannot measure the color quality of the erasable pen on white paper. Instead, you need to perform a color sample test on a white board sample and then use a spectrophotometer to analyze the sample.

The above is the full text of "Spectrum colorimeter control of erasable pen color quality" collected by Xiaobian. Users who want to know more application cases of spectrophotometer can follow our updates!

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