Is there any way to tear a sticker that has been stuck for a long time off an object without leaving a trace?

Use a hair dryer to heat the sticker at high temperature and peel it off while blowing, so that it can be completely torn off. The glue stains can be wiped off with sewing machine oil after a period of time.

Extended data

Wallpaper, also known as wallpaper, is a kind of interior decoration material for sticking walls, which is widely used in the interior decoration of houses, offices, hotels and restaurants. Materials are not limited to paper, but also include other materials.

According to the cleanliness of the wallpaper, repeat the above steps of spraying, cleaning and absorbing water at least twice, and then start the wallpaper dryer to completely dry the wallpaper and make it look brand-new. Next, the maintenance link, the staff used neutral wallpaper maintenance solution to do anti-fouling and anti-cracking treatment on the wallpaper, and formed a protective film on the surface of the wallpaper to achieve the anti-fouling and anti-dust effect and prolong the service life of the wallpaper.

When pasting wallpaper, the glue does not come out completely, but accumulates at the joints. After a long time, the glue reacts with the wallpaper. Solution: a small bottle of 60-80 degrees boiling water, plus a bottle of white vinegar, after cooling, rinse off the joints. (Local testing is recommended). Wallpaper 1-2 months later, the effect will be better, and 80% traces can be removed.

References:

Baidu encyclopedia-wallpaper