Material selection is a key step in plastic packaging production. Different materials have different forming characteristics, product performance, transparency, rigidity, heat resistance, and environmental positioning. Choosing the right material helps customers achieve better product quality and a more suitable production cost structure.

PP is widely used for disposable cups and food containers because of its good balance between cost, performance, and process stability. PET is often chosen for clear packaging products where appearance and transparency are important. PS is still used in selected packaging applications, while PLA is increasingly preferred for biodegradable and eco-friendly packaging projects.

The right material should be selected according to the final product, market demand, and machine configuration. A reliable machinery supplier should be able to help customers match the suitable material with the right sheet extrusion and thermoforming solution.