Gongtao company mainly produce alumina tubes, rods and various
industrial ceramic parts, which are mainly used in thermalcouple
temperature, liquid steel continous temperature, various industrial
furnace(containig vacuum furnace, carburizing furnace, wire
furnace, atmosphere furnace etc), especially widely used in
petrochemical, spinning, electric, instrumentation, mechanical
workout, military project etc industry. Sillimatin 60 Type C 530,
Alsint 99.7 Type C 799 and Pythagoras Type C 610, all complying
with DIN VDE 0335. The main applications are in the area of thermal
processes. Protection tubes, insulators, radiant tubes, support
tubes for electric heaters, beams, profiles, incineration aids and
special fabrications. The Impervious Materials are:
Alsint(Re-crystallised Alumina) is rated to 1700oC
Pythagoras(Aluminous Porcelain) is rated to 1400oC The Porous
Material is: Sillimantin 60 and is rated at 1350oC Sillimantin has
better thermal shock resistance and is used mainly in furnace
tubes, however can be used as an outer protection sheath if thermal
shock is critical. Noble metal thermocouple protection, furnace
tubes, high temperature vacuum furnaces, heat treating furnace
rollers, radiant tubes, laser tubes, corona treater tubes and ozone
generators. Corrosive environments and electrical insulation
applications. Noble metal thermocouples and diffusion furnace
profile couples, laser wave guides and RTD's Our items are various
and exported to many countries. Welcome to contact us!
DimensionOuter dia. mmInner dia.mmLength
mmRemarkItem Thermocouple protection tube7-1201-11010-2000If
you need others,we cancustomize for you.Insulated tubeSingle
hole2-1201-11010-2000(inner core)Double
holes1-100.4-210-2000 Four holes2-100.5-210-2000Property of
material:
Material85 Al2o390 Al2o395 Al2o399 Al2o3Al2o385%90%93%99.30%Fe2o3≤ 1.0≤ 0.5≤ 0.5≤ 0.3Desnsity:
g / cm33.43.53.63.85Vickers Hardness≥ 8.6≥ 8.899Water Absorption:%≤ 0.2≤ 0.1≤ 0.085≤ 0.01Refractoriness:°C1580 °C1600 °C1650 °C1800°CFlexural Strength:Mpa180200240280Wear Rate( at room temperature, erosion, 100 grinding)%≤ 3≤ 2.5≤ 1≤ 0.5FeatureApplicationMain
usage1.Great mechanical strengthElectric appliance
industry Automotive
industry1.Heat treatment furnace and toughened furnace2.High softening temperature3.Good resistance to thermal impact4.Small thermal expansion coefficient Mechanical
industry Engineer
industry 2.Inner liner tube and heating tube in electric furnace5.Good chill and abrupt heat properties6. Resistance to acid and alkali corrosion/*
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