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Help Center99.5% Pure Al2O3 Ceramic Pipe for Furnace
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99.5% Pure Al2O3 Ceramic Pipe for Furnace
Specification:
99.5% pure Al2O3 ceramic pipe / tube
High purity: >=99.5%
Character:
1. Smooth surface, excellent Wear-resistance
2. Long service life
3. High Temperature Resistance: 1800C
4. Length: 20-3000mm
Usage:
Be used in thermocouple protection and various furnace.
We can design 2 kinds: 1) both ends open. 2) one end open, the other end close.
Tech Data:
Chemical competent |
Al2O3 |
≥99.5% |
SiO2 |
||
Fe2O3 |
||
Alkaline matter |
||
Density |
3.9 g/cm3 |
|
Hardness |
9 M |
|
Water absorption |
||
Ruptures trength |
>2000kg/cm2 |
|
Gas tightness |
Kept for ten minutes at negative pressure of 1.3Kpa. The pressure drop is less than 0.3Kpa. |
|
Thermal 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 |
>9*10(5) Ω·cm/1600ºC |
|
Breakdown voltage |
20kv/cm |
|
Expansion coefficient |
8*10(-8) |
|
Temperature for use |
Long-term: 1600ºC Short-term: 1800ºC |
|
Chill and abrupt heat |
1500ºC~room temperature not cracking thrice. |
|
About Us
We're professional manufacturer of molybdenum and tungsten products, MoSi2 and SiC heating element, laboratory furnace. Our products are exported toUSA, Europe, Middle East and Southeast Asia, etc. We're a factory with ISO quality system certification. We can produce as per customer's request and provide products with good quality and best price!
Our products include:
Molybdenum Product |
Molybdenum Sheet/Plate/Rod/Bar/Electrode/Wire |
Molybdenum Crucible/Tube/Boat/Disc/Nut | |
Molybdenum Special Shape Product | |
Tungsten Product |
Tungsten Sheet/Plate/Rod/Bar/Wire |
Tungsten Crucible/Tungsten heat shield | |
Tungsten Special Shape Product | |
Alloy Product |
TZM Alloy/Mo-La Alloy |
Tungsten Copper Alloy | |
MoSi2 heating element |
U, L, W, Special shape |
SiC heating element |
U, W, ED, Dumbbell, SC, SCR shape |
Laboratory furnace |
Muffle furnace, Tube furnace Atmosphere furnace, Vacuum Furnace |
Accessories |
Holders, Straps, Alumina tube |
Why choose Shibo?
1. More than 20 years’ manufacturing experience, leading factory
2. Reasonable factory direct wholesale prices
3. Steady and top quality, timely delivery, reliable after-sale service
Send Inquiry to This Supplier
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