Identification of the quality of thermal paper or POS paper and how to avoid its harm

Since everyone is often exposed to thermal cash register paper in daily life, it is more concerned about how the quality of the thermal cash register paper is identified and whether the POS printer paper is harmful to the body. The next small series is explained in detail for everyone.

First of all, how to identify the quality of thermal cash register paper or POS printer paper?

1. Appearance: If the paper is very white, it means that the protective coating and heat-sensitive coating of the paper are unreasonable, and too much phosphor is added. The better paper should be slightly greenish. The paper finish is not high or looks uneven, indicating that the paper coating is uneven. If the paper looks very reflective, it adds too much phosphor and the quality is not good.

2, fire roast: the method of roasting with fire is also very simple, use a lighter to heat the back of the paper, if heated, the color on the paper is brown, indicating that the thermal formula is not reasonable, the storage time may be shorter, if The black part of the paper has small streaks or uneven color patches, indicating uneven coating. Paper of better quality should be black-green (with a little green) after heating, and the color blocks are even, and the color gradually fades from the center to the periphery.

3, sunlight exposure contrast identification: the printed paper is painted with a highlighter and placed in the sun under the sun (this can accelerate the thermal coating response to light), which paper is the fastest black, indicating the more time can be saved short.

Possible hazards and precautions for thermal cash register paper or POS printer paper

In daily life, people are inevitably exposed to thermal cash register paper or POS printer paper, so they often come into contact with bisphenol A. So how do you avoid bisphenol A invading our bodies and reducing the harm?

1. Try to reduce the number of such small tickets.

2. After touching the thermal paper bill, please wash your hands immediately if you have any conditions. Do not use alcohol-containing cleaning solution. Remember, do not touch the oral cavity directly with your hand, such as touching food and eating.

3. Separate the small ticket from other things to prevent contamination with the bisphenol A component.

4. Do not leave the thermal paper ticket to the child to play or save.

5. The method of identifying whether the paper is a thermal cash register paper is to use a coin to scrape on the paper. If there is discoloration or obvious scratch, it is a thermal cash register paper or a POS machine printing paper.

How to identify the thermal cash register paper or POS printer paper and how to avoid its harm, have you mastered it?

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