Description Septa, NMR, White Rubber Our White Rubber Septa seals to 5mm O.D. thin wall Precision NMR tubes. Designed to maintain excellent glass to rubber contact; inject your sample or reactant into the NMR tube. Great for Air-Sensitive samples, Catalytic studies and Titration experiments. They are manufactured under “white room” conditions with certified raw materials for consistency. Specifications Material:Natural Rubber Color:White Fits Tube with OD:5 mm Package: :100 per pack
