Высокотемпературные Промышленные 99% глинозема керамические пластины доска платформа

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Product Overview


high temperature industrial 99% alumina ceramic plate board platform

Reputation depends on quality, quality comes from Hard!

Product Description

 Alumina Ceramic:

Alumina ceramics are ceramic materials based on alumina (Al2O3) for thick film integrated circuits. Alumina ceramics have good conductivity, mechanical strength and high temperature resistance. It should be noted that ultrasonic cleaning is required. Alumina ceramics is a versatile ceramic. Because of its superior performance, it has been widely used in modern society, satisfying the needs of daily use and special performance.


Alumina ceramics are classified into high-purity type and ordinary type.
The high-purity alumina ceramics have a Al2O3 content of 99.9% or more. Since the sintering temperature is as high as 1650-1990 ° C and the transmission wavelength is 1 to 6 μm, the molten glass is generally used to replace the platinum crucible; Sexual and alkali-resistant metal corrosion is used as a sodium lamp; it can be used as an integrated circuit substrate and high-frequency insulation material in the electronics industry.

Ordinary alumina ceramics are classified into 99 porcelain, 95 porcelain, 90 porcelain, 85 porcelain, etc. according to the content of Al2O3. Sometimes the content of Al2O3 is 80% or 75%, which is also classified into ordinary alumina ceramic series. Among them, 99 alumina ceramic materials are used to make high temperature crucibles, refractory furnace tubes and special wear-resistant materials, such as ceramic bearings, ceramic seals and water valve sheets; 95 alumina ceramics are mainly used as corrosion-resistant and wear-resistant parts; In addition, due to the incorporation of part of talc, the electrical properties and mechanical strength are improved, and it can be sealed with metals such as molybdenum, niobium and tantalum, and some are used as electric vacuum devices.

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Data Sheet↓

Aumina Ceramic Properties

96% Alumina Ceramic

99% Alumina Ceramic
 ItemUnitTypical Values
 Physical Properties
 Color  WhiteIvory
Alumina Content%96%99%
 Gas permeability 00
 Water Absorption 00
Mechanical Properties
Rockwell HardnessHRA8082
 Vickers Hardness (Hv50)Gpa(Kg/mm²)15.7(1600)15.7(1600)
 Flexural Strength(20°C)Mpa300330
Compressive Strength(20°C)Mpa20002000
 Modulus of Elasticity (20°C)Gpa275 
 Poisson's Ratio (20°C) 0.22-0.23 
 Fracture Toughness(20°C)MPam1/23.54
 Thermal Properties
 Thermal Conductivity(20°C-400°C)W(m.K)2527.5
 Thermal Expansion Coefficient10-6/°C6.5-7.57.6
 Thermal Shock ResistanceT°C200200
 Maximum Use Temperature°C16001650
 Electronic Properties
Dielectric StrengthKV/mm>12>10
 Dielectric ConstantEr9-109.1
 Dielectric Loss Angle(1MHz) 0.00020.0002-0.0003
Volume Resistivity(20°C)Ω.cm>1014>1014


Application industry: Machinery, fiber optic, knife, medical, food, petroleum etc. 

Specific application: plunger, ceramic shaft, fiber optic bushing, stub, grinding, ceramic knife, ceramic slide guide, machined plunger, mobile phone shell, watch case, haircut razor blade etc.


Company Information

Shenzhen Hard Precision Ceramic CO.,Ltd founded in 2007, located in Shenzhen of China. We are a company that integrates development, design, moulding, sintering, production and sales of precision ceramic products. After 10 years of development, we have cooperated with more than 2000 customers and 60 universities; our factory covers an area of 2000 square meters, 50 employees, and annual production value of nearly 20 million. We have a higher visibility and better reputation in the same industry.


Compared with metals material, ceramic materials have excellent properties such as high hardness, high strength, high temperature(fire) resistance, wear resistance, corrosion resistance, acid and alkali resistance, oxidation resistance, insulation, nonmagnetic, good chemical stability and other excellent performance, so it is often used in the environment of the metal material is not up to. Advanced ceramics application prospect are very widely. It’s widely used in aerospace, aviation, military industry, nuclear power, machinery, textile, chemical, electronic, food, medical, etc. We provide alumina ceramic, zirconia ceramic, silicon nitride (Si3N4) ceramic, macor (mica glass ) ceramic, aluminum nitride (AIN) ceramic, silicon carbide (SiC) ceramic, boron nitride (BN) ceramic, quartz ceramic, mullite ceramic, cordierite ceramic etc.


Our products include ceramic rods, ceramic tubes, ceramic plates, ceramic sheets, ceramic blocks, ceramic nozzles, ceramic plungers, ceramic washers, ceramic spacers, ceramic substrates and precision parts for industrial. We have all-line high precision equipment from ceramic forming, sintering to precision machining. Hope for a wide range of sincere cooperation with customers at domestic and abroad.


Why Choose Us?

1.12 years of professional production industrial ceramics factory
2.High quality products with low price
3.High precision parts with lowest tolerance
4.Short time for production
5.Has a group of experienced, professional and efficient R&D team
6.Has a good reputation in China and abroad.
7.MOQ is not limited, small quantity is welcome.
8.Vigorous team and good after-sales service



Product Show

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Factory Show

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Our Team

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Q: Are you trading company or manufacturer ?
A: We are factory.


Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-30 days if the goods are not in stock, it is according to quantity.


Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.

Q: What is your terms of payment ?

A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 50% T/T in advance ,balance before shippment.


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