Hebei Qunwo Rubber – Your Reliable Partner for Sealing Solutions

NBR foam sealing strip

NBR foam sealing strips are porous, elastic seals made from nitrile rubber (NBR) through intensive mixing, foaming, extrusion, and vulcanization. They feature a closed-cell structure throughout, offering multiple benefits, including oil resistance, soft cushioning, sound insulation and noise reduction, water and dust resistance, and vibration‑damping sealing. Lightweight, highly resilient, and capable of greater compression, they represent an upgraded alternative to conventional solid NBR sealing strips.
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NBR sealing strip

NBR sealing strips are synthetic rubber sealing products produced by copolymerizing acrylonitrile and butadiene monomers. Thanks to their excellent oil resistance, wear resistance, tear resistance, and high elasticity, they have become the most widely used and cost-effective general-purpose sealing material in both industrial and civil applications.
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