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The differences between medical surgical masks and disposable masks

1. Different structure The disposable three-layer mask is made of two layers of fiber non-woven fabric, which is used for medical and health care. One layer is added in the middle, and more than 99% of the filter solution spray cloth is welded by ultrasonic wave. The environmental protection type full plastic strip is used at the bridge of the nose, which is free of any metal, equipped with air permeability and comfortable. Medical surgical masks are generally made of nonwoven [...]

How should we prevent novel coronavirus?

First, wash your hands frequently. Including before, during and after food preparation; after coughing or sneezing; when taking care of patients; after defecation before meals; when hands are dirty; immediately wash hands with soap, alcohol containing hand sanitizer and water after handling animals or animal excreta.Second, active protection. When you cough or sneeze, cover your mouth and nose completely with a paper towel or cuff or elbow bend, and throw the used paper towel into the closed dustbin immediately, [...]

Problems in UV printing

Compared with traditional ink printing, UV printing does have great advantages, but there are still some problems that must be solved and improved in its popularization and application. 1. Price of UV printing ink Although UV ink has the advantages of instant curing and good conjunctival performance, but the price is relatively expensive. At the same time, special UV blanket and UV ink roller must be used, which greatly improves the product cost. 2. Adhesion of UV printing ink During the curing process, [...]

Characteristics of UV printing technology

UV printing ink consumption and the traditional four-color process printing is the same: UV printing ink waste less. Extensive European experience has shown that average production output should be similar to traditional methods with best practices (UV fixture configuration, ink and varnish chemistry and proper operating techniques). The overall energy cost of Shanghai UV production is similar to that of the same press equipped with infrared and hot air drying devices. The test results show that the power consumption of [...]

UV printing process

The growth of UV printing is driven by its property of value-added printing, which can highlight many advantages in the fields of publishing, commercial printing, packaging printing and label market applications. The reasons can be reflected in the increasing user demand:Not only paper and paperboard can be used, but also a variety of printing materials can be used, including low absorption or non absorption materials (plastic, foil, metal and heat sensitive materials). Very high gloss effect, sometimes also has scratch [...]

Application of UV printing

The application of UV printing is one of the most important contents of the printing industry. There is no doubt that the deep processing of packaging products such as hot stamping, lamination, embossing, and various glazing applications have become common, and special effect glazing has become a trend. The rise of a variety of glazing technologies is largely due to the development of technology and the configuration of printing presses. Sheet-fed offset presses have an absolute advantage in the folding [...]

How to choose car charger?

Car charger products are all over the market and network. No matter whether the car friends buy them in the store or online, the types are uneven. We know that the price of car charger is not very expensive, but if the car charger is bought against the counterfeit products, it can burn the car fuse and digital products. It may even endanger personal safety. So how can we improve the skill of selecting high quality car charger?1. First [...]

Precautions for use of car charger

Matters needing attention The car charger uses the car lighter as the power socket to charge the mobile phone directly. Due to the low voltage provided by the car, only the overload protection circuit is needed inside the car charger. The front end of the car charger socket is designed with a fuse. When the current exceeds the bearing range of the overload protection circuit, the fuse will blow immediately to protect it. Note: the car can only be charged [...]

Application and characteristics of car charging

Application Car charger is an accessory for car owners to charge digital products with car charging power anytime and anywhere. Some high-end car chargers generally include two USB interfaces, which can charge two digital products at the same time. This kind of products generally have overload protection, short circuit protection, high-voltage input protection, high-temperature protection, quadruple safety protection functions to ensure safe use. When the car charger is used in the car, it can also be used at home, realizing [...]

The characteristic of car charger

Versatility, portability, fashion and safety With the development of automobile industry, car charger is widely used, showing the characteristics of multifunction, portability and fashion. Versatility: this car charger is equipped with four AC replacement connectors of American, British, Austrian and European standards; it integrates car charging, direct charging and USB charging to meet different charging conditions; dual USB output interface can charge multiple electronic products. And this product is also the world’s first charger to charge the iPad, which can be [...]