1. After the adhesive on the sticker is heated to a certain temperature with a hair dryer, the sticker can be torn off. It should be noted that the temperature should not be too high, and it is appropriate to just soften the adhesive.

2. For tightly pasted stickers, you can slowly shovel the stickers with a plastic card (or a blade with the edge wrapped with adhesive tape) while heating the adhesive.

3. After removing the sticker, a part of the adhesive will generally remain. At this time, you can use a soft cotton cloth dipped in alcohol or asphalt remover and gently wipe it.

according to different classification standards, stickers can be divided into the following categories:

1. Surface materials used: molded paper wood free paper, coated paper art paper (shading/mirror), transparent PVC, electrostatic PVC, polyester PET, laser paper, temperature-resistant paper, PP, PC, kraft paper, fluorescent paper, thermal paper, copper wire dragon, silver wire dragon, laser paper.

two: the use of films: transparent PET translucent PET transparent OPP translucent OPP transparent PVC glossy white PVC matte white PVC synthetic paper glossy gold (silver) polyester matte gold (silver) polyester.

third, use glue type: universal super-sticky, universal strong-sticky, strong-sticky for frozen food, universal re-uncovering, and fiber re-uncovering

fourth, use backing paper: white, blue and yellow glacine paper, glassine (or onion), kraft paper, polyester PET? Coated paper? Polyethylene, polyethylene.

2. Differentiate from the production process: the types of car stickers are mainly divided into three categories according to the production process:

1. Carving, cutting the adhesive stickers with different colors into various shapes with a carving machine, and then overlapping the adhesive tapes with different colors to make beautiful car stickers.

2, printing, die-cutting after printing, the process is relatively simple, but the necessary amount is large, otherwise the cost is too high!

3, spray painting or spray engraving, and then die-cutting after spray painting; If it is spray-engraved, the finished product can be directly produced; However, this kind of car sticker has a weakness, and it can't be coated on the surface, which leads to the color fading easily compared with engraving and printing.