According to API 7K
Grade D and E
Tube: Oil and drilling mud résistant synthetic rubber
Reintorcement: Multiple layers of spîralled high tensile steel
cords
Cover Abrasion, ozone and hydrocarbon résistant synthetic
rubber
Application: Rotary drilling, Vibrator, Motion Compensator
Température: -20 °C +100 °C (-4 °F +212 °F)
Length: 47,25 m (155 ft) max
Note: Grade C (WP 4000 psi} available on demand