That's a great and very practical question! When it comes to affixing anti-litter stickers to urban trash cans, there isn't one single "preferred brand" that everyone uses, but there are definitely preferred *types* of adhesives that are known to work best for this tough job. The key is finding a product designed for long-term outdoor use.
For permanent applications, a high-quality industrial-grade vinyl adhesive or a premium acrylic-based adhesive is the way to go. Look for terms like "permanent," "outdoor," or "all-weather" on the label. These are formulated to withstand sun (UV rays), rain, temperature swings, and cleaning. Brands like 3M, Avery, or Gorilla often have specific outdoor permanent adhesive products that are reliable. For a super strong bond, especially on textured or slightly rusty surfaces, a two-part epoxy adhesive can be considered, though it's less common for standard sticker applications.
A crucial step is surface preparation. The trash can must be clean, dry, and free of grease, dirt, or old adhesive residue. Wiping it down with isopropyl alcohol can make a huge difference in how well the sticker bonds.
Ultimately, while brand can be a good indicator of quality, your focus should be on the adhesive's specifications: permanent bond, weatherproof, and suitable for the material of your trash cans (metal, plastic, etc.). Testing a small sticker first is always a smart move for any large-scale urban project.