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  • Hydraulic Seal Material Comparison: How to Choose Between NBR, FKM and PU?
    • October 16. 2026

    Seals are vital for stable hydraulic system operation. Wrong material selection causes leakage and premature aging, leading to costly downtime. Nitrile Butadiene Rubber (NBR), Fluoroelastomer (FKM) and Polyurethane (PU) are the most common hydraulic sealing materials, with distinct performance in temperature, pressure and fluid compatibility.   NBR (Nitrile Butadiene Rubber) NBR is a cost-eff...

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