Guangzhou Print Area Technology Co.Ltd
Guangzhou Print Area Technology Co.Ltd Guangzhou Print Area Technology Co., Ltd has our own professional ink R&D Department. We have developed high-quality eco-friendly soy offset printing ink,
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UV Invisible ink, also known as security ink, is a substance used for writing, which is invisible either on application or soon thereafter, and which later on can be made visible by some means. Invisible ink is one form of steganography, and it has been used in espionage. Other uses include anti-counterfeiting, property marking, hand stamping for readmission, fun children's games, and marking for the purpose of identification in manufacturing.
UV Invisible Ink ,which can reflect 400-800nm visible light under theUV light,is a kind of Anti-forgery ink.According to the changes of the
color,this ink can be catalogued to invisible ink,color ink,color-change ink these 3 kind.Invisible ink is transparent color in common
environment.But under UV light,it can show out red,yellow,green,blue colors.The color ink can show its color more vivid and colorful.For
example,the color is red in common environment,it can become more red under UV light.
There are 7 matchs:
| Longwave:blue | Red | yellow | blue | red | yellow | blue |
| shortwave:yellow | yellow | red | red | green | green | green |
