How does moisture absorption differ between pure plastic and WPC outdoor flower boxes?

When choosing outdoor flower boxes, understanding how materials handle moisture is crucial for longevity. Pure plastic flower boxes are generally non-porous, meaning they absorb minimal moisture, which helps prevent mold and rot. However, they can become brittle over time due to UV exposure and temperature fluctuations.

On the other hand, Wood-Plastic Composite (WPC) flower boxes combine wood fibers and plastic, offering a balance of natural aesthetics and durability. While WPC is more resistant to cracking than pure plastic, it can absorb small amounts of moisture due to its wood content. Properly treated WPC resists swelling and decay, making it a popular choice for humid climates.

In summary, pure plastic excels in moisture resistance but lacks long-term durability, while WPC provides a middle ground with better structural integrity and moderate moisture absorption. Your choice depends on climate conditions and desired aesthetics.