Offset and screen Printing Security Ink Uv Invisible Ink Black To
Green
Uv Invisible ink:UV Invisible ink, also known as security ink, is a substance used
for writing, which is invisible either on application or
soonthereafter, 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.
Printing type:Offset printing, screen printing
Color: Black to green,Red to orange
As you could see in the picture, when the invisible ink under the
sunlight, it will look transparent .When the Invisible Ink under the uv light, the invisible ink which
is on the left one is colorless to yellow, the right one is
colorless to green.
