Chemical discoloration ink has added some special chemical coloration material,Generally used for printing all kinds of children’s books,the prints are colorless,we can not see any pattern in appearance,but need to use the chemical pen or chemical water to draw on the text then can see the colored images.
Color:Bright red,rose red,blue,yellow,black,brown,peacock green,
Blackish green.
Printing way:Offset
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