... , water pump, instrument, measuring of ships and so on NBR rubber o ring Features: 1. Main materialNitrile rubber(NBR), ... industry, petroleum, automobile, coal,electric apparatus, industrial mining and so on.9. Main performanceNBR provides an economic material having ... ,France,Canada,etc14. Packaging detailsInner packing is plastic bag and outer packing is export standard carton box15. Price itemsT/T ...