That's a great question I get from a lot of homeowners and facility managers. From my experience, most modern outdoor plastic trash cans are designed with durability in mind, but their reaction to harsh chemicals really depends on the type of plastic and the specific cleaner.
Typically, bins made from high-density polyethylene (HDPE) or polypropylene handle common disinfectants and all-purpose cleaners quite well. These materials are inherently resistant to many acids, bases, and solvents. I've used diluted bleach solutions or commercial citrus-based degreasers on mine for years without issues like cracking or excessive fading.
However, you do need to be cautious with certain substances. Strong solvents like acetone, certain paint thinners, or undiluted concentrated acids can degrade the plastic polymer chains, making them brittle over time. The damage might not be immediate, but repeated use will cause the plastic to lose its flexibility and strength.
My practical advice is to always check the manufacturer's label first. When in doubt, do a spot test on a small, inconspicuous area. For routine deep cleaning, a mix of warm water, dish soap, and a bit of baking soda is surprisingly effective and completely safe. Rinse thoroughly with water after any chemical use to prevent residue buildup, which can be more damaging than the cleaner itself.
Proper care significantly extends the life of your bin. Choosing the right plastic and the right cleaner means your outdoor trash cans can look good and function well for many seasons, even with regular cleaning.