3M™ 4104 is a firm, high-density open-cell urethane foam tape designed for cushioning, spacing, and vibration dampening applications. It features 3M™ Adhesive 350, a medium-firm acrylic adhesive that provides high initial tack, excellent shear strength, and strong temperature performance.
Its rigid open-cell structure allows airflow while delivering excellent energy absorption and cushioning, making it ideal for gasketing, spacing, and shock absorption in industrial and electronic applications.