Refractory Alumina tube 99.5%
Refractory Alumina tube 99.5%
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Product Details:
Place of Origin Henan, China (Mainland)
Type Ceramic Tubes
Application Refractory
Material Alumina Ceramic
Model Number OD100*1000mm
Brand Name SHIBO
Color bright yellow
Purity 99.5%
Payment & Shipping Terms:
Price: FOB USD 100~400 / PieceGet Latest Price
Minimum Order Quantity: Negotiable
Minimum Order Quantity: 2 Piece/Pieces
Port: Qingdao/Tianjin
Packaging Details: wooden case
Delivery Time: 10-15days
Payment Terms: T/T,Western Union
Supply Ability: 50000 Piece/Pieces per Month
Detailed Product Description
99.95% pure Al2O3 ceramic tube
1.Smooth surface, excellent Wear-resistantce
2.Long service life.
3.high purity: >=99.5%
99.95% pure alumina ceramic tube
Character:
1.Smooth surface, excellent Wear-resistantce
2.Long service life.
3. high purity: >=99.5%
2.Long service life.
3. high purity: >=99.5%
4.High Temperature Resistance: 1800C
5. Length:20-3000mm
Be used in thermocouple protection and various furnace, we also can design both open for two ends, and one open, the other closed.
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Chemical competent
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Al2O3
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≥99.5%
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SiO2
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<0.2%
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Fe2O3
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<0.1%
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Alkaline matter
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<0.1%
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Density
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3.9 g/cm3
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Hardness
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9 M
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Water absorption
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<0.1%
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Ruptures trength
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>2000kg/cm2
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Gas tightness
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Kept for ten minutes at negative pressure of 1.3Kpa.
The pressure drop is less than 0.3Kpa.
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Thermal tolerance
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Insert the pipe into the furnace at a depth of 20mm.
Heat to 1600ºC and maintain for 30 minutes.
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Alkali tolerance
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In the Na2CO3 solution of 2N concentration, boil for
15 hours with the weight loss not greater than 20mg/dm2.
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Volume resistance
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>9*10(5) Ω·cm/1600ºC
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Breakdown voltage
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20kv/cm
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Expansion coefficient
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8*10(-8)
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Temperature for use
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Long-term: 1600ºC Short-term: 1800ºC
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Chill and abrupt heat
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1500ºC~room temperature not cracking thrice.
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Refractory Alumina tube 99.5%