Over-the carbon copy paper, also known as carbon paper, is a common stationery item in our lives. It plays an important role in the fields of word processing, printing, etc., but many people don't know much about it. This article will introduce the principle and application of liner paper in simple terms, so that you can have a more comprehensive understanding of this seemingly simple but very practical stationery.




1. What is a liner?


carbon copy paper is a special type of paper that has the function of transferring ink or ink onto another sheet. When we write or print on underlay, the ink or ink passes through the coating on the overliner and copies the handwriting or pattern onto the underlying paper.




Second, the principle of the carbon copy paper:




The principle of the underlining paper is mainly based on the following two aspects:


Coating: The surface of the liner is usually coated with a special coating that contains toner or other substances that can react with ink or ink. When the ink or ink comes into contact with the coating, it chemically reacts with the substances in the coating to form a new substance and transfer the color of the ink or ink to the paper underneath.

Pressure: When we write or print on over-the-bottom paper, the pressure of the nib or printing press will press the ink or ink into the coating, so that the substance in the coating is in full contact with the ink or ink, so as to achieve the transfer of the ink or ink.


3. Application of carbon copy paper in stationery and printing industry:


Carbon liners have a wide range of applications in the stationery and printing industry:




Stationery: Carbon backing paper is often used to make carbon books, receipts, invoices, etc. In a carbon book, we can write on the first page, and the undercut will copy the handwriting to the following page for easy preservation and copying.


Printing: Carbon backing paper is also widely used in the printing industry, such as making copy prints, labels, cards, etc. Carbon-based backing paper can make prints clearer when photocopied and reduce ink or ink consumption.



Fourth, the advantages and disadvantages of carbon copy paper:




Merit:


Convenient and fast: Carbon-based underlining paper can quickly and easily reproduce handwriting or patterns, saving time and effort.


Durable: The coating layer of carbon-based over-solepaper is not easy to wear and tear and can be used multiple times.


Low cost: Carbon underlining paper is relatively inexpensive, making it an affordable option.


Shortcoming:




Easy to fade: The handwriting or pattern on carbon-based over-the-top paper is prone to fading, especially if exposed to sunlight for long periods of time.


Writing experience: The writing experience of carbon-based over-the-bottom paper is not as good as that of regular paper because the coating affects the slippage of the nib.