The materials used in plastic bucket mould are chosen for their durability and resistance to wear and tear. High-density polyethylene (HDPE) and polypropylene are common choices due to their strength, lightweight properties, and ability to withstand outdoor conditions. These materials are also environmentally friendly, as they can be recycled and are often derived from renewable resources. https://www.kelongmoulds.com/news/industry-news/how-to-maintain-plastic-bucket-mould.html