What are the key factors in preventing delamination of WPC layers in outdoor tree boxes?

Preventing delamination of Wood-Plastic Composite (WPC) layers in outdoor tree boxes requires attention to several critical factors. First, material quality is essential—high-quality WPC with strong bonding agents reduces the risk of layer separation. Moisture resistance is another key factor, as water infiltration can weaken adhesive bonds; proper sealing and drainage design are crucial. UV protection is also vital, as prolonged sun exposure can degrade the composite. Additionally, thermal expansion management ensures the material withstands temperature fluctuations without cracking. Finally, proper installation techniques, including secure fastening and avoiding stress points, help maintain structural integrity. By addressing these factors, WPC tree boxes can achieve long-term durability in outdoor environments.