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Kiln Furniture & Refractories NEWSIC®

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Product characteristics

Classication of material NEWSIC Kiln furniture & refractories Fine ceramics
Material Si-impregnated
SiC
Mullite Si02 bonded
SiC
Si3N4 bonded
SiC
Recrystallized
SiC
Sintering
SiC
Sintering
Si3N4
Density (g/cc) 3.0 2.6 2.8 2.7 2.7 3.2 3.2
Porosity High density porous porous porous porous High density High density
Strength Room temperature (MN/m2) 250 15 50 60 100 450 900
1300°C(MN/m2) 250 13 45 55 100 450 250
Young's modulus (GN/m2) 350 - 55 60 80 370 300
Thermal expansion coefficient
(10-6/k)
4.5 5.0 4.0 4.0 4.5 3.8 3.8
Specic heat
(350°C) KJ/ (kg·k)
1.0 - 2.5 2.5 1.0 1.0 -
Thermal conductivity at R.T.
(350°C) W/ (m·k)
100 2 15 15 50 90 15
Electric resistivity (Ωcm) 0.1 - - - 1000 10 -
Oxidation resistance excellent - good good good excellent good
Creep resistance excellent good good good good excellent excellent
Thermal shock resistance excellent good good good good excellent excellent
Maximum working temperature (°C) 1350 1400 1500 1500 1650 1650 1200

NEWSIC Manufacture limit

Boards (mm)

Thickness Long side of a rectangle Short side of a rectangle
2 100~300 100~300
3~4 100~310 100~310
5~7 100~600 100~360
8~13 100~735 100~360

Roll (mm)

Outside diameter Thickness Length
φ25 3.5~ ~2220
~φ28 5~ ~2220
~φ40 5~ ~3100
~φ42 6~ ~3100
~φ55 7.5~ ~3100
~φ80 8.5~ ~3100
~φ92 10~ ~3100
~φ100 11~ ~3100
~φ130 13~ ~300

Beam (mm)

Outside diameter Thickness Length
□20 3.5~ ~2400
~□30 4~ ~2400
~□40 5~ ~3100
~□50 6~ ~3100
~□60 7~ ~3100
~□80 8~ ~3100
~□120 10~ ~120

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