99% Al2O3 Ceramic Structure Part

Basic Info

Model NO.	NA
Density	3.9g/cm3
Lead Time	10-20days
Transport Package	Box/Carton/Wooden Case
Specification	Customized
Trademark	Hard
Origin	China
HS Code	8547100000
Production Capacity	1000PCS/Month

Product Description

Product DestriptionCustomized machining 96% 99% 99.5% al2o3 ceramic parts

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 two types: high purity type and normal 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 Al2O3 content. Sometimes the Al2O3 content is 80% or 75%, which is also classified as 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 device devices.

Alumina ceramic properties: High hardness, high strength, wear resistance, corrosion resistance, high temperacture (1600°), good thermal diffusivity, good insulativity, low cost etc.

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Ceramic Properties

Properties	Units	96% Al2O3	99% Al2O3	Zirconia	Silicon Nitride	Machinable Ceramic
Material Characteristics
Gas Permeability		0	0	0	0	0
Water Absorption	%	0%	0%	0%	0%	0.038%
Colour		White	Ivory	White	Grey	White
Density	g/cm3	3.7	3.85	6	3.2	2.7
Physical Characteristics
Hardness	Kg/mm2	1100	1400	1100	1600	1175
Modulus of Elasticity	Gpa	300	350	200	300	65
Flexural Strength	Mpa	300	340	1150	600	108
Compressive Strength	Mpa	2100	2200	2500	2500	488
Fracture Toughness	Mpam1/2	3.5	4	12	6
Thermodynamic Property
Max Use Temperature	°C	1500	1650	1500	1800	800
Thermal Conductiviey	W/(m.k)	25	27.5	2.5	20	1.68
Thermal Expansion Coefficient	10-6/°C	7.5	8	10	3.2	8.6
Thermal Shock Resistance	△T°C	200	200	250	600	200
Specific Heat	J/kg.K	860	860	500	500
Electrical Specification
Dielectric Strength	KV/mm	12	10	5		40
Dielectric Constant	εr	9.5	9.1	12	6	7
Volume Resistivity	Ω	≥1014	≥1014	≥1010	≥1014	≥1016
Dielectric Loss Angle		0.0002	0.0002	0.001

Packing & Delivery

Why Choose Us?

1.12 years of professional production industrial ceramics factory2. High quality products with low price3. High precision parts with lowest tolerance4. Show time for production5. Has a group of experienced, professional and efficient R&D team6. 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

FAQ

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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