3M™ 4318 is a single-coated, low-density open-cell urethane foam tape designed for sealing, cushioning, and vibration dampening where a softer compressible foam is needed in a 125 mil thickness. It features 3M™ Adhesive 430 for good quick stick, excellent aging, and UV resistance.
Its conformable foam helps seal out air, dust, and light when compressed 50%, while also providing sound dampening and cushioning for electronics, cabinets, and transportation components.