HNBR (90 IRHD) is the gold standard for packer elements in sour service, offering H2S resistance up to 20% and RGD tolerance per ISO 23936-2. Baker Hughes’ HP/HT packer uses XploR™ HNBR, surviving 720-hour sour aging at 325°F with 2,500 psi post-exposure ensures durability. Molded with fabric reinforcement, elements resist tearing during high-rate fracs. In Eagle Ford, HNBR packers ac... https://globalsealstech.com/about-us/