What are the effects of sand or abrasive particles on the surface wear of WPC outdoor trash cans?

Sand and abrasive particles significantly accelerate surface wear on Wood-Plastic Composite (WPC) outdoor trash cans through multiple mechanisms. These hard particulates act as grinding agents when wind-blown or during cleaning procedures, causing micro-scratches that compromise the protective polymer layer. This exposes the wood fibers within the composite to moisture infiltration, leading to swelling, cracking, and accelerated degradation. The abrasion typically manifests as surface dullness, texture changes, and material loss at contact points. Factors influencing wear severity include particle hardness, size, wind velocity, and frequency of exposure. WPC formulations with higher plastic content and UV-stabilized coatings demonstrate better abrasion resistance. Preventive measures include strategic placement away from sandy areas, regular gentle cleaning, and applying protective sealants. Understanding these effects helps municipalities and property managers implement effective maintenance schedules, ultimately extending product lifespan while reducing replacement costs in high-traffic outdoor environments.