What are the effects of acid rain on the surface finish of eucalyptus wood outdoor trash cans?

Acid rain significantly impacts the surface finish of eucalyptus wood outdoor trash cans, leading to both aesthetic and structural damage. The acidic precipitation, primarily composed of sulfuric and nitric acids, reacts with the wood's surface, causing chemical degradation. This results in discoloration, where the rich natural color of eucalyptus fades or develops unsightly streaks and spots. The finish, whether it's a sealant, stain, or paint, breaks down, losing its protective properties and leaving the wood vulnerable. Furthermore, the acid can erode the wood's cellular structure, making the surface rough and increasing its porosity. This heightened porosity allows more moisture absorption, which can lead to warping, cracking, and promotes the growth of mold and mildew. Over time, the combined effects compromise the durability and shorten the lifespan of the trash cans. To mitigate these effects, applying specialized acid-resistant sealants and conducting regular maintenance, including cleaning and reapplication of protective coatings, is highly recommended for preserving the appearance and integrity of eucalyptus wood in outdoor settings.