How does the cost of polyethylene compare to polypropylene for mass-produced outdoor tree boxes?

When selecting materials for mass-produced outdoor tree boxes, cost is a critical factor. Polyethylene (PE) and polypropylene (PP) are two common plastics, but their pricing differs due to material properties and production processes.

Polyethylene is generally cheaper per unit weight than polypropylene, making it a cost-effective choice for large-scale production. Its flexibility and resistance to moisture suit outdoor applications, though it may degrade faster under UV exposure.

Polypropylene, while slightly more expensive, offers higher rigidity and heat resistance, reducing warping in extreme temperatures. Its longer lifespan may offset initial costs for durable tree boxes.

For high-volume orders, polyethylene often provides better short-term savings, while polypropylene may deliver better long-term value depending on climate conditions and expected product lifespan. Manufacturers should weigh upfront material costs against durability requirements when choosing between these plastics.