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 Puncture seals automatically after the needle is withdrawn.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 Puncture seals automatically after the needle is withdrawn.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 Puncture seals automatically after the needle is withdrawn.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

$64.99
Apiezon PFPE 501 Vacuum Grease, 100g

Apiezon PFPE 501 Vacuum Grease, 100g

Used as a high performance lubricant and sealant which can be used with confidence in extreme environments, ultra high vacuum conditions and in the presence of gaseous and liquid oxygen at elevated temperatures. NC-14152