Black coding foil ribbon

Shaft core

There are two common types of shaft cores of  black coding foil ribbon, paper and plastic. The main requirements are that they cannot be deformed and cannot slide during printing.

Composition of ribbon

Ribbon generally consists of five layers, top coating, ink layer, inner coating, tape base and back coating. 1. Inner coating: it is mainly used to smooth the printed surface and ensure the consistency of ink release from the tape base. 2. Ink layer: it is the most important, which is used to print and determine the service characteristics of carbon tape, such as chemical corrosion resistance and friction resistance. 3. Band base: it is the carrier of other layers and determines the performance of heat conduction. 4. Back coating: simply speaking, it is a special coating applied on the back of the carbon tape, which is mainly used to reduce the wear of the print head; Reduce static electricity generation and enhance heat conduction. 5. Top coating: mainly used to improve the adhesion of ink on the label and enhance the resistance to the environment.

Front guide belt

The front guide belt is generally transparent or other colors. It has the following functions. 1. Product identification: it can be printed with product name, company name and trademark for marketing and sales promotion. 2. 2. Protection: used to protect the carbon belt. 3. Easy to use: it is convenient to put the coding ribbon on the printer

Rear lead belt

Generally speaking, it plays a warning role to let the printer sense the end of the ribbon. Different printers determine different rear lead tapes. There are mainly three kinds: 1. Transparency: it is used for transmission sensor to allow light to pass through to indicate that the ribbon is used up. 2. Aluminum plating (silver): mainly for reflective sensors. The reflected light indicates the end of the ribbon. 3. It is used for mechanical sensing. The change of printer sensing tension indicates that the  black coding foil ribbon is used up.