1,suitable for rated temperature is -26℃~149℃,used for oil exploration, drilling, oil testing, workover, oil and gas well, well control BOP sealing.
2,Standard:API Spec 16A and SY/T5053.1-2002.
3,ram core specs model:18-14,18-21,18-35,18-70,28-35,28-70,35-35,35-70,54-14.
4,annular core specs model:18-35,23-21,28-35,35-35,54-14.
5. material : NBR AND HNBR