Self Adhesive Label Is A Common Printing Product
Jan 11, 2022| 1. The surface material is the surface material, which is the material that receives printed pictures and texts on the front, adhesive on the back and finally applied to the pasted object. Generally speaking, all flexible and deformable materials can be used as fabrics of self-adhesive materials, such as commonly used paper, film, composite foil, all kinds of textiles, thin metal sheets and rubber. The type of surface material depends on the final application and printing process. The surface material should be able to adapt to printing and printing and have good inking
2. Surface coating
Used to change the surface properties of surface materials. For example, improve the surface tension, change the color, increase the protective layer, make it better accept the ink and easy to print, so as to prevent dirt, increase the ink adhesion and prevent the falling off of printed pictures and texts.
3. Adhesive
Adhesive is the medium between label material and bonding substrate, which plays a connecting role. According to its characteristics, it can be divided into permanent and removable. It has a variety of formulas, suitable for different surface materials and different occasions. Adhesive is the most important component of self-adhesive material technology and the key of label application technology.
4. Back coating or back printing
Back coating is a protective coating on the back of the backing paper to prevent waste discharge. The adhesive around the rewound label is bonded to the backing paper. Another function is to manufacture multi-layer labels. The function of back printing is to print the manufacturer's registered trademark or pattern on the back of the backing paper, which plays the role of publicity and anti-counterfeiting.
5. The bottom coating is the same as the surface coating, but it is coated on the back of the surface material. The main purpose of the bottom coating is: self-adhesive label
* Protect the surface material from adhesive penetration.
* Increase the opacity of the fabric;
* Increase the adhesion between the adhesive and the surface material