Well service pump packing for acidizing operations must resist hydrochloric acid, hydrofluoric acid, organic acids, and corrosion inhibitors used in well stimulation treatments. Acid resistance requires specialized materials as many standard elastomers degrade rapidly in acidic environments. PTFE-based packing provides excellent acid resistance while certain fluoroelastomers offer goo... https://globalsealstech.com/product-category/oil-gas-seals/high-pressure-water-pump-seals/