HNBR (hydrogenated nitrile) remains the workhorse material for wireline seals due to its excellent balance of abrasion resistance, temperature stability up to 150°C, and compatibility with sweet and moderately sour environments. HNBR packing sets demonstrate superior performance in slickline and braided line applications where mechanical wear from wire movement is severe. Their low co... https://globalsealstech.com/product-category/oil-gas-seals/oil-free-lubricated-pump-seals/