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JMC (USA), Inc.

Silicon Nitride Ceramics

Ceramics Home | Grades and Specs | Thermocouple Protection | Heater Protection | Metal Degassing | Flame Diffuser

Thermocouple Protection Tubes

for Aluminum, Zinc and Brass

Pressureless Sintered Silicon Nitride

Max Thermal resistance: 1,200 oC
Cont Thermal Resistance: 1,000 oC
Density: 3.1 g/cm3
Flexural strength: 690 MPa
Thermal shock resistance: 700 oC
Apparent porosity: <0.1%
Thermal expansion: 3.5 x 10-6 (RT-1000 oC)

Standard Dimensions

(Millimeters)

OD ID Length
9 5 400 500 600 700 800 - - - - -
14 8 400 500 600 700 800 - - - - -
16 9 400 500 600 - - - - - - -
18 11 400 500 600 700 800 900 1000 - - -
20 13 400 500 600 700 800 900 1000 1100 1200 1400
26 17 400 500 600 700 800 900 1000 1100 1200 1400
28 17 400 500 600 700 800 900 1000 1100 1400 1400
30 20 400 500 600 700 800 900 1000 1100 1200 1400
40 30 - - - - 800 - 1000 - 1200 1400

Ceramics Home | Grades and Specs | Thermocouple Protection | Heater Protection | Metal Degassing | Flame Diffuser


Home | Company Profile | Chromium | Cobalt | Hydrogen Storage Alloy | Ceramics | Ferrite | Contact | JMC Japan