Answer
Sep 24, 2024 - 10:37 AM
Disposable cup lids are typically made from plastic materials such as polystyrene (PS) or polypropylene (PP). These plastics are chosen for their durability, heat resistance, and ability to form a tight seal to prevent spills. Some eco-friendly alternatives use biodegradable or compostable materials like polylactic acid (PLA) derived from cornstarch.
