Square Mullite Ceramic Pipe for Kiln Furniture
China Square Mullite Ceramic Pipe for Kiln Furniture, Find details about China Mullite Ceramic Square Pipe, Mullite Square Pipe from Square Mullite Ceramic Pipe for Kiln Furniture
Square mullite ceramic pipe for kiln furniture
Kiln furniture is made of cordierite because it will survive thousands of heating and cooling cycles.
At Paratech all of our production is placed in cordierite trays known as saggers to be used in the kiln during the firing cycle.
Small cordierite parts can be dry powder pressed. Large cordierite pieces are formed by slip casting.
Slip casting is a process where the ceramic material is mixed with water and poured into a plaster mold. After a few hours the plaster draws off the water from the mix and the sagger or other shape can be released from the mold. Parts are then dried and fired.
3. Technical Parameters
Material: Mullite
Name | Alumina | Dense Cordierite | Porous Cordierite | Cordierite-Mullite | Mullite | Corundum mullite | |
Density(g/cm3) | 2.0~2.3 | 2.1 ~2.5 | 1.5 ~1.9 | 1.8~2.3 | 2.0 ~2.5 | 2.3 ~2.7 | |
Coefficient of heat expansion(×10-6K-1)(20~800°C) | ≤5 | ≤3.5 | ≤3.0 | ≤3.5 | ≤5 | ≤6 | |
Specific Heat (J/Kg.K)(20~1000°C) | 900~1150 | 900~1100 | 900~1100 | 900~1150 | 1000~1150 | 1100~1300 | |
Thermal Conductivity (W/m.k) (20~1000°C) | 1.5~2.0 | 1.5~2.5 | 1.2~1.8 | 1.5~2.0 | 1.5~2.0 | 1.5~2.5 | |
Impact Thermal Resistance(°C/min) | ≥300 | ≥300 | ≥350 | ≥350 | ≥350 | ≥300 | |
Max. Working Tem.(°C) | 1350 | 1300 | 1300 | 1320 | 1450 | 1550 | |
Water absorption(%) | 15-25 | ≤2 | 15~25 | 15 ~25 | 15~25 | 15 ~25 | |
Compressive strength(MPa) | ≥28 | ≥28 | ≥25 | ≥25 | ≥28 | ≥30 | |
Chemical composition (%) | Al2O3 | 55 ~65 | 25 ~38 | 28 ~38 | 40~52 | 60 ~70 | 70 ~80 |
SiO2 | 25~35 | 50 ~60 | 45 ~55 | 45 ~55 | 25 ~35 | 15 ~25 | |
MgO | 1~3 | 5 ~10 | 11 ~14 | 7~9 | 0 ~1 | 0 ~2 | |
others | <5 | <5 | <5 | <5 | <5 | <5 | |
Packaged by polybay and bubble bag in the stardard export carton,
Every package can be offered with English installation instruction.
- Alumina ceramic tube, alumina parts( 95% 96% 99% 99.5% 99.7% Al2O3 )
- Zirconia cermaic ( Yttria stabilized ZrO2 )
- Silicon Nitride ( GPS Gas pressure sintered & Hot pressed Si3N4 )
- Silicon carbide
- Boron Carbide ( B4C )
- Boron Nitride ( Hot pressed BN )
- Machinable Glass Ceramic
- Steatite, Cordierite
Patent
Q: Are you trading company or manufacturer ?
We have our own company and factory.
Q: We mainly accept T/T, West Union, Credit card and L/C.
Paypal will be available in the near future.
Q: Can you supply samples before placing an order?
Yes. also available in stock.
Q: Where is your main market?
We have been exported to USA, Korea, UK, France, Russia, Germany, India, Spain, Brazil etc, so far, there is about 94 countries we have been exported, we also get good reputation from our customers.
Q: Do you accept customized dimension?
Yes, we can produce ceramic parts per customer's request.
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