How to identify the storage time of thermal paper? How to identify the thermal paper storage time?
With the increasing popularity of thermal paper in supermarket shopping, the preservation time of thermal paper has become another big question for people; there are very few relevant authoritative materials. Here, the storage time of thermal paper is made for everyone. A simple popularity. At present, the thermal paper in the supermarket store is mainly used for checkout and transaction vouchers. It is a general quality thermal paper product. The shelf life of domestic thermal paper is generally about 15 days, and the storage period of imported thermal paper is relatively long, almost 30. Around the day. This does not mean that thermal paper can not have a long storage time; in fact, good thermal paper can be stored for several years after printing, but if the thermal paper coating formulation is not reasonable or the preservation method is wrong, It can only be saved for a few months. The protective coating on the thermal paper also plays a key role in the storage time after printing; under natural conditions, the coating can absorb some of the light that causes the thermosensitive coating to react chemically, thus slowing the deterioration of the printing paper. time. If the protective coating on the paper surface of the thermal paper is not uniform, the protection of the heat-sensitive coating is reduced, so that the storage time of the thermal paper is also reduced. If you urgently need to know how long your thermal paper can be stored, then here, Xiaobian teaches you how to easily and effectively identify the length of thermal paper storage time - natural light illumination identification, this method operation It's very simple, just apply the different papers printed with the same highlighter and put them in the sun to expose them to the sun. In the end, they will change. The longer it takes to get black, the time of storage of this thermal paper. It will be longer. Rainbow Gel Polish,Rainbow Gel Nail Polish,Rainbow Glitter Gel Nail Polish,Rainbow Glitter Gel Polish GuangZhou CCO Cosmetic Co., Ltd , http://www.nailcocome.com