K 2025—officially K‑Fair or the K Plastics & Rubber Exhibition—is the world’s leading international trade fair for the plastics and rubber industry, returning to Düsseldorf, Germany from October 8–15, 2025. With over 3,000 exhibitors from around 60+ countries and nearly 180,000 trade visitors , it showcases the full plastics and rubber value chain: machinery, raw materials, semi‑finished parts, services, research, and digital solutions.