Large Diameter 99.5% High Purity Alumina Ceramic Disk , Alumina Ceramic Plate
This material has very high hardness, very high stiffness, very good corrosion resistance to chemicals at high temperature, and very high refractoriness or use temperature. They may be used for a variety of electrical, mechanical, and thermal applications. They may be used as setter plates for firing parts in a kiln. The may be used for high temperature furnaces and as high temperature refractory turntables. They may also be used for jewelry or for applications requiring high wear or abrasion resistance. Your imagination is the only limiting factor in the spectrum of possible applications for this component. Be sure to view all photos as they are an integral component of the item description.
The specifications for these components are as follows:
Diameter: Average approximately 14.00" +/-0.010" (381 mm)
Thickness: Average approximately 0.435” +/-0.010" (11 mm )
Please Note: There are visually discernible differences in any or all of the dimensions. These are not precision technical ceramic components. There is no warp or camber Specification for this item. However they are relatively flat. There may also be “firing” color variations inherent in the material. Some my have minor edge chatter or small edge chips. The thermal shock resistance is not very high so exercise rule of thumb caution. “The larger the piece of material the slower the rate of temperature increase should be applied to the piece.” Heat up slowly to avoid cracking in use.
Specific Gravity or Density: 3.9 g/cm3
Water Absorption or Porosity: 0%
Fusion Temperature or Melting Temperature: 2030 °C or 3686 °F
Maximum Working Temperature: 1800 °C or 3272 °F
Thermal Conductivity: 25 W/m* K
Specific Heat: 0.9 J/g*K
Expansion Coefficient or CTE: 7.5 x 10 E-6 inches/°C
Electrical Resistivity at 20 C: 10 E¬14 Ohm*cm
Electrical resistance at 600 C: 10 E 8 Ohm*cm
Modulus of Elasticity: 44 x 10 E 6 p.s.i. or 350 GPa.
Technical electrical insulation al2o3 alumina ceramic
-Used in all electric products, electric heating products and wear resistant machinery parts.
-OEM, ODM and OBM are welcomed
• Hard, wear-resistant
• Excellent dielectric properties
• Good thermal conductivity
• Excellent size and shape capability
• High strength and stiffness
• Gas laser tubes
• Electronic substrates
• Seal rings
• High temperature electrical insulators
• High voltage insulators
• Thermometry sensors
• Ballistic armor
Properties Sheet of zirconia and alumina :
||g / cm³
|Coefficient of thermal expansion
|Modulus of Elasticity Young's Mod
|HV Hardness HV
|Flexural Strength @ room temperature
|Flexural Strength @700°C
|Compressive Strength @ room temperature
||MPa *m 1/2
|Heat conductivity @ room temperature
|Electrical Resistivity @ room temperature
|Max use temperature
|Resistance to acid alkaline
|Thermol Shock Resistance
||△ T ( °C )
|Tensile Strength @ 25 °C
1) High hardness.
2) High heat resistance: alumina ceramic has excellentthermal stability,which means that it is widely used in areas where resistance to high temperatures is essential.
3) Good wear resistance: alumina ceramic is the material of choice for alumina wear parts.
4) High electrical resistivity: alumina is an electrically insulating material.
5) High corrosion resistance: it is insoluble in water and only slightly soluble in strong acid and alkaline solutions. Good chemical stability of alumina leads to high corrosion resistance.
Mingrui ceramic manufacture and provides alumina ceramic components for a wide range of application like Mechanical Equipment, Electronic & Electrical, Oil Drilling, Medical, Chemical Industry etc. According to actual application and customer's requirement, the purities vary from 95%-99.7% and the forming methods will be different. The forming methods applied in our plant include dry pressing, isostatic pressing, injection moulding, extrusion moulding. With experienced engineers and talented workers, we are confident to offer high quality, high precision, complex components for customers worldwide.
Mingrui Ceramics has years of experience designing and developing technical ceramic solutions for a wide variety of applications and industries.Wear And Corrosion Resistant Ceramic Shaft Chemical Stirring Rod. We offer this expertise to all of our customers to ensure the best design and materials are chosen for their specific application and needs.Wear And Corrosion Resistant Ceramic Shaft Chemical Stirring Rod,Typically, our custom technical ceramic components and parts we supply are used for one of three main resons .
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Custom OEM will be shipped within 15 days after determining the parameters
The samples will be shipped within 3 days
Quick Delivery Via Fedex,DHL,UPS,TNT Etc.
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For more informations (the price,delivery time,moq etc)about the ceramic plates, please contact us or email:firstname.lastname@example.org
CEO: Admin deng
Dongguan Mingrui Ceramic Tech. Co. Ltd.
Add: No.21 Chuangxing Rd., 2nd Industrial Zone of Shangsha,
Chang'an town, Dongguan city, Guangdong, China 523867
1. Monthly Capacity: 50,000-60,000 pcs;
2. Material: OEM or as per your suggestion;
3. Lead time: about 7-20 days, pls confirm the quantities required;
4. Incoterm: FOB, CFR, CIF;
5. Delivery Cost: It is determinated by the destination port;
6. Payment Term: PayPal; T/T; L/C.
7. Shipment: by sea, by air, by courier, by post, etc.