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Home ProductsAlumina Ceramic Parts96% 99% 99.5% C79 Alumina Ceramic Parts Polished Surface Treatment
96% 99% 99.5% C79 Alumina Ceramic Parts Polished Surface Treatment
96% 99% 99.5% C79 Alumina Ceramic Parts Polished Surface Treatment

96% 99% 99.5% C79 Alumina Ceramic Parts Polished Surface Treatment

Product Details:
Place of Origin: China
Brand Name: Jinghui Ceramics
Certification: RoHS, REACH, ISO
Model Number: JH.ACP.017
Payment & Shipping Terms:
Minimum Order Quantity: 1000 piece per order
Price: Negotiable
Packaging Details: Plastic bag with export carton
Delivery Time: 3~4 weeks
Payment Terms: T/T, Western Union, MoneyGram, Paypal, , L/C
Supply Ability: 100000 sets per month
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Detail Information
Product Name: Alumina Ceramic Piece Material: Aluminum Oxide Ceramic
Type: Ceramic Parts Color: Ivory
Feature: High Temperature Resistance, High Insulation Tolerance: As Design Drawing Or OEM
Shape: Customized Designs Application: Industrial Ceramic
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Product Description

Customized 96% 99% 99.5% C799 Aluminum Oxide / Al2O3 Alumina Ceramic Piece

Specification of the ceramic piece

1. Dimension capability: Min. the inner diameter can be 1mm, Max. the outer diameter can be 800mm

2. Material options: different purity alumina (from 95% to 99.8%), zirconia, Silicon carbide, steatite

3. Forming methods: Extrusion, Dry pressed, Hot pressed, Ceramic Injection molding, ISO pressed

4. Tolerance: outer diameter can be 0.005mm, the inner diameter can be 0.01mm, the overall length can be 0.01mm

5. Surface treatment: External and internal surface to be polished, glazed or metalized

6. Secondary processing: CNC machining, lapping, grinding, precision cutting and so on

 

The accuracy achieved after precision machining

(1) Axis: roundness 0.002 mm, concentricity 0.002 mm, smoothness Ra0.1;
(2) Hole: the minimum processing hole diameter is 0.2 mm and the depth is up to 6 mm (depending on the material);
(3) Slot: min. value to be  0.1 mm  of narrow groove, and grooves with custom shapes;
(4) Plane: 0.1mm sheet with minimum processable thickness, parallelism 0.001mm, measurement tolerance 0.001 mm, finish Ra0.1;
(5) Thread: The minimum machinable M2 internal thread, the accuracy of GB-7h, the external thread size is not limited, the accuracy is GB-6g.

 

Main characteristics of the alumina ceramic parts

1. They offer different grade dimensional accuracy per sintered only, precision machining 
2. They are more cost-effective ceramic parts with equivalent performance among all other technical ceramics
3.. High hardness, it is can be up to 1700 HV, and Super compressive strength up to 2240 Mpa
3. High heat resistance: Alumina ceramic parts offer excellent thermal stability, which means that it is widely used in areas where resistance to high temperatures is essential.
4. Good wear resistance: it is an ideal  choice  to wear parts in high abrasive industry
5. High electrical resistivity: used in all-electric products, electric heating products, and wear-resistant machinery parts.
6. 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.
7. We support a variety of customized alumina ceramic parts base on customer's drawing, sample, or reference parameters

 

Description of alumina ceramic piece

The alumina ceramic piece is made of 99.8% alumina by dry pressed,  it offers excellent electrical insulation, high-temperature resistance together with high hardness and good wear resistance. 
We are specializing in alumina ceramic pieces over 15 years,  Our factory produces a selection of purity of alumina from 75% to 99.8%,  all of the ceramic parts we supplied are with a dense body via dry pressing, hot pressing, ceramic injection molding, and ISO pressing. In order to achieve some special application for fitting, reducing the friction, increasing the insulation, we provide a serial of secondary processes after sintering, covering CNC machining, polishing, glazing and metallizing.
We manufacture a wide range of alumina ceramic rings, including ceramic tubes, ceramic rings, ceramic disc, ceramic rod, ceramic arms, ceramic wire guides. Whatever, its a prototyping case, or high volume demand, we believe we are able to provide you a desirable solution.
 

 

Application of alumina ceramic parts:

Alumina ceramic parts are widely used in the electronic, electrical, machinery, chemistry, ceramic seal, mineral, new energy, military, aerospace, almost all modern industries.
96% 99% 99.5% C79 Alumina Ceramic Parts Polished Surface Treatment 0
 

 

 

Datasheet of technical ceramic materials

Property Units Materials
99.5%Al2O3 99%Al2O3 95%Al2O3 ZrO2 Si3N4
Density g/cm3 ≥3.85 ≥3.80 ≥3.60 ≥6.0 ≥3.2
Water absorption % 0 0 0 0 0
Hardness HV 1700 1700 1500 1300 1550
Flexural strength Mpa ≥379 ≥338 ≥320 ≥1200 ≥600
Compressive strength Mpa ≥2240 ≥2240 ≥2000 ≥1990 ≥2500
Fracture toughness Mpa m1/2 4-5 4-5 3-4 6.5-8 6
Max. service temperature
(Non-loading)
 ℃ 1675 1600 1500 1000 1200
CTE (20-800℃) 1×10 -6 /℃ 6.5~8.0 6.2~8.0 5.0~8.0 8.0~9.5 3.1
Thermal shock T(℃) ≥250 ≥200 ≥220 ≥300 ≤1000
Thermal conductivity(25℃) W/m.k 30 29 24 3 15~20
Volume resistivity (25℃ ) ohm.cm ＞1 x 10 14 ＞1 x 10 14 ＞1 x 10 14 ＞1 x 10 11 ＞1 x 10 12
Insulation strength KV/mm 19 18 18 17  
Dielectric constant(1Mhz) (E) 9.7 9.5 9.5 29  
 
 
 

Packaging proposal and transportation solutions

1. We will keep the ceramic parts inside the inner package to be fixed without moving, then it will prevent them from collision each other, to avoid any cause any chippings during transportation.

2. In addition, the inside of the outer carton will be filled with sufficient protective kinds of stuff.

 

96% 99% 99.5% C79 Alumina Ceramic Parts Polished Surface Treatment 1


 

 

Why choose us?

★ 10+ Years of manufacturing experience in OEM, ODM                        ★ Powerful R&D, mass production capability
★ In-house comprehensive manufacturing types of equipment               ★ Rigorous quality control system and processes
★ Surpassing pre-sales and after-sales service                                       ★ Abide all orders as the first priority
 

 

FAQs (Frequently Asked Questions)

Q1. Are you a factory or trading company?
A: We are a manufacturer. You are welcome to visit our factory.
Q2: Do you send a sample to check?
A: Sure, the sample is free and freight collect.
Q3: When will you ship it?
A: If the products are in storage, we'll ship within 48 hours
Q4: When can I get the price?
A: We regularly quote within 24 hours after we get your inquiry. If you are in urgent need of getting the price.
Please call us or tell us in your email so that we will proceed with your inquiry as a priority.
Q5: Is it available to provide customized products?
A: We always support custom-made demand as per different materials, dimensions, and designs.
Q6: How to ensure quality?
A: The dimension out of any batch will be carried out sampling inspection per international AQL standard. A 100% cosmetic inspection will be done.
Q7: What other products are you dealing with?
A: We focus on a variety of ceramic tubes, ceramic substrates, ceramic sheets, textile ceramics besides metalized ceramics.
 

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