What is the difference between 36K and 54K carbonless copy paper

Carbonless carbon paper is a kind of invisible carbon paper. Writing on the upper layer of carbon paper can be copied without the carbon layer coated with ink. The principle is that under the action of external force, the force-sensitive pigment and oil solution in the microcapsules overflow and show After the colorant is contacted, a dyeing reaction occurs, thereby playing the role of copying. It is mainly used for multi-part forms, bills, continuous financial bills, general business financial bills, etc.

What is the difference between 36K and 54K carbonless copy paper?

The main difference is the size:

Carbonless copy paper 36K dimensions are 12.6 cm by 17.2 cm.

Carbonless copy paper 54K size is 17 cm by 8.5 cm.

knowledge expansion

In actual production, a full sheet of paper with a width of 787 × 1092 mm (31 × 43 inches) is usually called regular paper; a full sheet of paper with a width of 889 × 1194 mm (35 × 47 inches) is called large paper. Degree paper. Since the format of 787×1092 mm paper is defined by my country itself, which is inconsistent with international standards, it is a non-standard format that needs to be phased out. Due to many reasons such as domestic papermaking equipment, paper and existing paper types, there is still a transition stage between the old and new standards. By 2013, the cutting specifications and sizes are: large 16 format 210 × 297 (mm), large 32 format 148 × 210 (mm) and large 64 folio 105 × 148 (mm); positive degrees are: 16 folio 188 × 265 (mm), 32 folio 130 × 184 (mm), 64 folio 92 × 126 (mm).