The era of LED-UV inkjet ink has arrived
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In the past, ultraviolet light sources used in the printing industry generally used light sources such as high-pressure mercury lamps and metal halide lamps. Due to the large size of lamps and power supply devices, users were worried about the large power consumption and large heat generation, which caused damage to the printing press and substrates, and the use process. Problems such as ozone are generated. However, in recent years, a light-emitting diode (LED) capable of emitting ultraviolet light has been developed, and a dedicated LED-UV inkjet ink which is instantaneously cured under LED ultraviolet light is used, and the LED-UV curing method is being eagerly expected by the market!
Currently, UV curing lamps commonly used on the market are generally mercury arc lamps, also called mercury vapor lamps, referred to as mercury lamps. UV light curing technology is a new technology in the green industry. It has been rated as "5E" by the North American Radiation Curing Committee. It fully demonstrates the characteristics of this technology, namely high efficiency, energy saving, environmental friendliness and economy. Wide adaptability.
However, even though UV curing technology has so many advantages, there are some unavoidable shortcomings. The life of UV mercury lamps is limited, and the energy consumption is large but the energy used effectively is not high. In addition, although UV mercury lamps It is environmentally friendly and environmentally friendly without VOC emissions. However, due to the high pressure, high temperature and strong radiation of mercury lamps, it is easy to chemically react the surrounding oxygen molecules to produce ozone, thus affecting the atmospheric environment and even people's health. Potential threats.
LED is an abbreviation of Light Emitting Diode, which is a semiconductor that emits light when current flows, and is also called a light emitting diode.
Compared with ordinary UV mercury lamps, LED-UV cold light source, no heat radiation, and LED-UV lamps have extraordinary service life, high energy, stable light output, good uniform illumination effect, and can improve production efficiency. More importantly, LED-UV does not contain mercury and does not produce ozone. It is a safer and more environmentally friendly alternative to traditional light source technology.