What are the matereals used to make freezers today?

Today, freezers are primarily made from materials such as stainless steel, plastic, and aluminum. The interior is often lined with plastic for easy cleaning and insulation, while the exterior may use stainless steel for durability and aesthetics. Insulation materials like polyurethane foam are commonly used to maintain temperature efficiency. Additionally, various metals and alloys are utilized in components like compressors and coils to ensure effective cooling.