Description NMR/EPR Tube Caps – Gas-Tight Our Gas-Tight Tube Caps are ideal for experiments that require an air-tight environment under vacuum or low pressure less than 1 bar. Use with our Medium-Walled and Heavy-Walled NMR tubes for better seal and robustness in variable temperature experiments.Serum Caps allow easy access via syringe needle. Specifications Material:Natural Rubber Color:White Fits Tube with OD:3 mm and 4 mm Package:100 per pack Application Notes 521-PC – Clear……521-S – Beige Technical Tip:
