Under the external force, carbonless copy paper will break the microcapsule, and the colorless dyestuff will react with color developing agent from the other page, and will show black or blue images or characters on the paper coated with color developing agent. According to the usage, it can be divided into multiple-piece carbon paper and single-piece carbon paper.

It is easy to use, neat and won’t hurt hand. It is able to be copied into multiple pieces with clear handwriting. It is convenient for processing and neat overprinting. Chemical color is used in order to avoid the paper being easily rewritten and forged. It is suitable for computer printing, and can be widely used in invoices, banks, telecommunications, post and telecommunications, insurance, tax and other forms, receipts, orders and other computer printing papers, optical word recognition papers, car tickets, boat tickets, and air ticket papers.