Carbonless paper has positive and generous specifications, but there are different types of upper paper, middle paper, and lower paper, and the paper price is different (see paper price classification).
The front side of the upper paper can be copied when it touches the front side or the back side of the middle paper or the front side of the lower paper. On the front of the paper, there are chemical molecules that can be copied on the surface. The front side of the upper paper and the reverse side of the lower paper are not available. If they are made into paper with both sides having a copy effect, the cost will be very high. Therefore, the upper paper and the lower paper are cheaper. Dear!
This paper is not significantly different from ordinary paper in appearance, but it can be used for copying, producing the same effect as blue copying paper (note: the carbon-free paper produced by some countries in Europe, America, South Africa and other countries is black), and It will not contaminate your fingers and clothing, making it more convenient and hygienic. Because this kind of paper is made without the carbon component of carbon copy, it is named (carbonless carbon copy paper), or carbonless paper for short.
When using documents printed from carbon-free paper, a small piece of cardboard is usually placed on the joint order, so as not to write too hard and cause other joint orders underneath to be overwritten!
There are roughly 5 colors of carbonless paper; five colors such as white / red / blue / green / yellow, which play the role of distinguishing the combined orders!
The names of carbonless paper are: white (upper white / middle white / lower white), red (upper red / middle red / lower red), blue (upper blue / middle blue / lower blue), green (upper green / middle Green / low green), yellow (upper yellow / middle yellow / lower yellow).
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