Orange NR natural rubber open-cell foam sponge board is a high-density, fast-rebound porous rubber foam material specially developed for industrial vacuum suction cup systems. Made of 100% natural rubber (NR) raw materials through precise high-temperature foaming process, this open-cell sponge features uniform interconnected pore structure, excellent air permeability, stable compression resilience and outstanding tear resistance. 

GMARK Orange NR Foam Sponge Sheet is manufactured from high-quality natural rubber (NR) with an open-cell foam structure. It offers excellent resilience, high density, fast recovery, and superior air permeability, making it an ideal material for vacuum suction pads and industrial sealing applications.