Neoprene
Ammonia (Anhydrous) O-Ring Compatibility: Which Compounds Hold Up
Anhydrous ammonia O-Ring guide for refrigeration and process service: chart ratings, why neoprene and EPDM lead, and why FKM is the wrong start for NH3 duty.
Neoprene (CR / Chloroprene) O-Rings
Neoprene (CR, chloroprene) O-Ring guide: temperature range, refrigerant and ammonia service, flame resistance, aniline point, grades, limitations, and the sizes we stock.
