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Home > Products > Industrial Furnace Parts > Alumina Ceramic Tube And Crucible > Hot Sale of High Temperature Alumina Ceramic Tube Corundum Tubes Pipes

Hot Sale of High Temperature Alumina Ceramic Tube Corundum Tubes Pipes

Product Description



Refractoriness (℃): 1580< Refractoriness< 1770


Shape: Pipe


Name: Alumina Ceramic Tube


Transport Package: Wooden Boxes




Type: Refractory Material


Material: Alumina Ceramic


Trademark: SHIBO


Origin: Henan, China(Mainland)


Hot sale of high temperature alumina ceramic tube corundum tubes pipes

1. Extreme high temperature stability under reducing, inert and high vacuum condition under high temperature up to 1800C.

2. Extreme wear and abrasion resistance.

3. Chemical corrosion resistance under high temperature.

4. High dielectric properties.

5. Gas tight for many applications to provide protective atmospheres or high vacuum at high temperature to eliminate contamination or impurity.

Chemical competent Al2O3 ≥85%
SiO2 <12%
Fe2O3 <0.5%
Alkaline matter <2.5%
Density 2.6 g/cm3
Hardness 7 M
Water absorption <0.2%
Rupture strength >1300kg/cm2
Gas tightness Kept for ten minutes at negative pressure of 1.3Kpa. The pressure drop is less than 0.3Kpa.
Heat tolerance Insert the pipe into the furnace at a depth of 20mm. Heat to 1600ºC and maintain for 30 minutes.
Alkali tolerance In the Na2CO3 solution of 2N concentration, boil for 15 hours with the weight loss not greater than 20mg/dm2.
Volume resistance >2*10(5) Ω@cm/1300ºC
Breakdown voltage 18kv/cm
Expansion coefficient 5*10(-8)
Temperature for use Long-term: 1400ºC Short-term: 1600ºC
Chill and abrupt heat 1300ºC~room temperature not cracking thrice.

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Product Categories : Industrial Furnace Parts > Alumina Ceramic Tube And Crucible

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