Light box films are mainly used in the field of advertising, and they can be most seen in large advertising billboards in public places. Well, the information introduced today is also about various aspects of knowledge about light box films, such as detailed answers to its material classification, production methods and operating steps. In addition, we have also conducted a certain degree of attention on matters that need to be paid attention to during actual use. introduction on. Then interested friends may wish to focus on the following knowledge.

1. Introduction to light box films

Mainly used for making advertising light boxes. Light box films are divided into two categories, one is transparent, called fully transparent film, and the other is translucent, called semi-transparent film, also called white film. Fully transparent light box films will appear colorful only when illuminated by light, and will appear dark when illuminated by no light. This is not the case with semi-transparent light box films. It will show the effect of a color photo even if it is not illuminated by light, but it will appear more gorgeous when illuminated by light.

2. Light box sheet material

1. Back-sprayed light box sheet

Back-sprayed light box sheet is composed of a base and a coating. The coating is on the back and consists of a special coating and a white light-shielding layer on it. The white light-shielding layer causes diffuse reflection of light. After printing, the ink penetrates through the light-shielding layer to the other side of the coating, presenting a positive image. The image is printed on the back, so the front side of the light box piece will not be damaged and the viewing effect of the image will not be affected. However, it is generally only suitable for backlighting light boxes, and its scope of application is very limited.

2. Positive spray light box film

Positive spray light box film is front-coated, and the printed image is colorful and rich in layers. Inkjet light box films can be printed with water-based ink or solvent-based ink. However, after the image is printed, it needs to be laminated to improve its color saturation and waterproof function and extend its service life.

The front spray lamp box piece can be made fully transparent or semi-transparent. The fully transparent light box film is completely transparent. It will appear brightly colored only when illuminated by light, and it will appear dark when there is no light illumination. Semi-transparent light box films are translucent, also called white films. Semi-transparent light box films will also show the effect of color photos when there is no light, and will appear more gorgeous when illuminated by light.

3. How to make the light box piece

①Tear off the back film. Peel off the film evenly from the back of the color photo. ② Polish the fiber. Smooth the fibers on the paper base on the back of the photo. ③ Add paper base. Anti-reflection materials such as resin, varnish, oil or wax are evenly applied to the paper base of the photo and the transparency of the photo increases after a few hours. ④Speed-up protection. Dry the anti-reflective material on the back of the anti-reflective photo slightly and add a protective layer on top. Such as plastic film, transparent varnish, etc.

There is also a kind of back-sprayed light box film with bright colors. It is recommended to make this kind of light box film, which is not easy to be distorted.

We have introduced the material classification of light box products. It is not difficult to know from it that the actual use needs of different users are divided into front spray light box and back spray light box. Their design methods and materials There are also differences, and in addition, we can understand that the actual use needs of different users' tools and the products that should be selected for budget quotations are also different. So the above is an introductory knowledge about the material, production method and comprehensive section of the back spray lamp box piece. You can filter out the knowledge worth referring to.