Rubber Stopper, #000

Septum Stopper, White Rubber, for 14/20 Joints

"Sleeve" style septum with hollow plug for use with 14/20 outer joint. Top is flanged with an extension that folds down over the neck of a vessel for a tight seal. The diaphragm can be punctured readily with a syringe needle. Puncture seals automatically after the needle is withdrawn. NC-14467

$1.95
Rubber Stopper, #000

Septum Stopper, White Rubber, for 19/20 Joints

"Sleeve" style septum with hollow plug for use with 19/20 outer joint. Top is flanged with an extension that folds down over the neck of a vessel for a tight seal. The diaphragm can be punctured readily with a syringe needle. Puncture seals automatically after the needle is withdrawn. NC-14468

$2.25
Rubber Stopper, #000

Septum Stopper, White Rubber, for 24/40 Joints

"Sleeve" style septum with hollow plug for use with 24/40 outer joint. Top is flanged with an extension that folds down over the neck of a vessel for a tight seal. The diaphragm can be punctured readily with a syringe needle. Puncture seals automatically after the needle is withdrawn. NC-14469

$2.95
Traceable 4425 Type-K Thermometer, -58-2372F, -50-1300°C

Traceable 4425 Type-K Thermometer, -58-2372F, -50-1300°C

New microchip design offers increased accuracy by allowing user to set this thermometer to specific temperatures, in-house calibrations, or a particular sensor.  Type-K range is -58.0 to 2372°F and -50.0 to 1300°C. It is compatible with all type-K probes. Comes with an individually serial-numbered Traceable Certificate. NC-14366

Dow Corning High Vacuum Grease

Silicone High Vacuum Grease, 150g

Used as a sealant for vacuum, distillation, and pressure systems. Lubricates valves, stopcocks, and synthetic rubber gaskets and seals in high temperature applications. Used to lubricate O-rings in telescopes and binoculars, and can prevent fogging of lenses. NC-1087

$59.99