The former with the naked eye that can be seen on paper; color paper wholesaler latter may appear under ultraviolet light, and its colors are red, blue, color paper wholesaler orange, etc., can be coarse to fine form, can be long or short, according to the design of the latter security features than the former.

3.2.3 Color paper wholesaler can change color colored fiber security paper

The paper distinctive visual security features, color paper wholesaler the naked eye can discern, the production process is simple, color paper wholesaler low cost. Dye added to the slurry and algae silk fibers, colored fibers formed a special branch of the existing paper forms, color paper wholesaler while adding iodine, hemp, color paper wholesaler silk, wool or polyester fiber as raw material easy to mimic the color of the fiber, color paper wholesaler similar in appearance to a variety of fibers easily confused and other issues.

3.2.4 Color paper wholesaler texture pattern paper

Stained with a dye pulp, through calender rolls pressed between rollers, color paper wholesaler into the paper web for the second dye. Second dye through the size press or spray machine to make paper coloring. Compression fiber block, color paper wholesaler closed surface pore structure, inhibition of dye penetration portion size press compression zone. Large area in the second dyeing fibers, not colored, remains a first color of the dye. The large gaps between the fibers, color paper wholesaler as is not pressing, the surface of open pore structure, and the second dye can quickly penetrate.