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heat resist element refractory plate porous ceramic cordierite honeycomb




Cordierite ceramic is one of the most popular ceramics for its properties of excellent thermal stability, high refractoriness, good chemical durability, low dielectric constant, and low thermal expansion.
Item | Test Condition | Unit&Symbol | Cordierite ceramics |
The Main Chemical Ingredient | - | - | MgO, Al2O3,SiO2 |
Bulk Density | - | gm/cc | 2.5 |
Maximum Use Temperature | - | - | 1300℃ |
Water Absorption | - | % | 0 |
Hardness | - | HV | 800 |
Bending Strength | 20℃ | Kgf/cm2 | 900 |
Compressive Strength | 20℃ | Kgf/cm2 | 3500 |
Fracture Toughness | K(I c) | Mpa m1/2 | - |
Thermal Expansion | - | 1X 10-6/℃ | ≤2.0 |
Thermal Conductivity | 25℃-30℃ | W/m.k | 1.3 |
Thermal Shock Resistance | Tc | ℃ | 250 |
Dielectricity Constant | 1MHz.25℃ | - | 6 |
Dielectric strength | - | ac-kV/mm (ac V/mil) | 10 |
Volume Resistivity | 20℃ | ohm-cm | > 1012 |
If you want to know more about cordierite ceramic, you could click the following picture:




Yixing Minghao Special Ceramic Technology Co., Ltd. is a professional factory in manufacturing and supplying high quality ceramic components for more than 20 years. We mainly manufacture alumina, steatite, zirconia ceramics, refractory products and related special ceramics.

Our company always insists on quality first, the supremacy of the purposes of the users. We'd like to cooperate sincerely with enterprises at home and abroad to create a win-win future.

We supply high quality products with advanced equipment. Our products are widely applied in new-typed lamphouse, textile machinery, electrical appliance, refrigeration equipment, electrothermal instrument, chemical product and so on.


1. How can I get an offer?
You can send your drawing with technology requirements and mark your purchase quantity.it is much better if you could offer the usage information about products, We will confirm the most suitable material and quote our best price to you in 24 hours.
2. Can you accept OEM & ODM?
Yes, we can produce the products according to your demand and drawing.
3. Can you provide free samples?
Yes, we can provide the sample for free, but the freight and mold fee are on your side.
4. What’s the lead-time for samples?
Within 3-7 days for bulk order, 10-15 days for OEM designs and shapes.
5. What’s your production Lead-time for bulk order?
Generally it takes 20-30 days and 25-35 days in peak season
6. What are your payment terms?
In generally, we quote FOB Shanghai price, payment 30% deposit by T/T in advance, 70% balance paid within 7 days against shipping documents. It balances against Weston Union, L/C or Paypal etc. (Payment can be negotiated, kindly to contact with us)