Low-temperature NORSOK grades (down to –46 °C) have been developed for Arctic projects such as Johan Castberg or Goliat. These specialized HNBR and FKM compounds maintain flexibility and sealing force in extreme cold while still meeting RGD and chemical resistance requirements, allowing the same Norsok approval to cover both high-temperature HP/HT wells and low-temperature Arctic surf... https://globalsealstech.com/automotive/