Product OverviewGenuine Japan INOAC PORON LE-20 high-performance microcellular polyurethane foam — the ultra-soft grade in the standard series. Engineered for excellent compression set resistance, high rebound, and superior shockproof sealing and sound-dampening performance. Available in original bulk rolls or sheets, with custom die-cutting, adhesive backing, and precision slitting services to meet specific application requirements. Widely used in custom mechanical keyboard
Product OverviewGenuine Japan INOAC PORON LE-20 high-performance microcellular polyurethane foam — the ultra-soft grade in the standard series. Engineered for excellent compression set resistance, high rebound, and superior shockproof sealing and sound-dampening performance. Available in original bulk rolls or sheets, with custom die-cutting, adhesive backing, and precision slitting services to meet specific application requirements. Widely used in custom mechanical keyboard