The main function of Nail Polish remover is to remove the remaining nail polish on the nails.
Third, nail polish remover should not be used to wipe nails, especially those products that have a significant effect on nail removal, otherwise it will make the nail surface dull and dull. The correct way is to press the cotton pad dipped in nail polish remover on the nail for 5 seconds, the nail polish will naturally fall off. If it is still not cleared, you can do it again.
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When selecting a blanket, the elasticity of the blanket, the transfer performance of the ink, the corrosion resistance, the penetration resistance and the flatness are the five most important factors to be considered.
Elasticity
The moment the blanket exits the embossed area, the deformation due to printing pressure is restored. This is the most basic and important technical requirement for the blanket, which determines whether the printing ink can be transferred normally.
The blanket cylinder is between the impression cylinder and the plate cylinder. During printing, each unit on the blanket is in contact with the two rollers once during one rotation, that is, two deformations are caused by the printing pressure, and at the same time The process by which ink is transferred from the plate to the blanket and then transferred from the blanket to the substrate. Assuming that the sheetfed offset press is normally printed at a speed of 10,000 sheets per hour, each unit on the blanket is deformed once every 0.18 seconds and is required to recover deformation before the next deformation (within 0.18 seconds). The time required for the deformation recovery of the high-speed rotary press blanket is shorter. If the deformation cannot be restored, then after each unit on the blanket transfers the ink onto the blanket from the printing plate, the ink can no longer be transferred to the substrate, or after the ink is transferred to the substrate. The ink transferred from the plate cannot be accepted, and the printing process cannot be completed.
2. Ink transferability
Ink transferability is another important technical requirement for blankets. It is often measured by the ratio of the amount of ink transferred from the blanket to the substrate and the amount of ink transferred from the plate to the blanket. The ratio is higher. High is more conducive to the transfer of ink. The poor ink transfer performance of the blanket causes the ink to accumulate on the blanket, increasing the number of times the blanket is cleaned, and at the same time causing the operator to think that the amount of ink is too small to increase the amount of ink, thereby wasting a large amount of ink. For prints, the darkness of the image is not deep enough, the density in the field is not enough, and the high-level level is lost, which seriously affects the quality of the product.
3. Corrosion resistance
The fountain solution used in the printing process is generally weakly acidic and may be alkaline due to formulation reasons. Both acidic and alkaline have a certain ability to corrode, and dampening fluid is often transferred to the blanket through the printing plate, which requires the blanket to have a certain degree of corrosion resistance.
4. Anti-infiltration
All kinds of inks contain certain auxiliary materials. After infiltrating into the blanket, they will expand and fall off layer by layer, which will affect the service life of the blanket, which requires it to have certain anti-seepage properties.
5. Flatness
The so-called flatness refers to the uniformity of the thickness of the blanket, and the error is often required to be within several tens of micrometers. If the error is too large, the transfer of the ink will be unstable, the ink color of the printed matter will be uneven, and the dot will be deformed. Therefore, the flatness is particularly important for offset blankets.
For people who love nail polish, nail polish remover is a very important partner. An excellent nail polish remover must have the function of removing makeup quickly, without pungent odor, not hurting nails, and even nourishing nails.
Inferior nail polish remover is a very low-cost industrial banana water. Although it cleans quickly, it can cause great damage to nails and human health. Professional brand nail polish remover will take care of cleaning and protection at the same time when developing, minimize the damage, or even no damage at all, it is good for the nails and the body.
So, how to use nail polish remover to be safer?
First of all, be sure to choose a mild, non-irritating nail polish remover from a regular manufacturer, and pay attention to whether it contains acetone on the ingredient description.
Secondly, the amount of nail polish remover must be small. When cleaning the nail polish, it is enough to allow the nail polish remover to soak a nail-face-sized area on the cotton pad.
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Jilin Xiangqi Technology Co., Ltd , https://www.xiangqicosmetics.com