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Hunan Yuanhong New Materials Co.,Ltd
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High Purity Alumin Ceramic Ring Al2O3 Ring Plasma Proof for Equipment

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High Purity Alumin Ceramic Ring Al2O3 Ring Plasma Proof for Equipment

Brand Name : YH

Model Number : YH

Certification : ISO，ROHS

Place of Origin : CHINA

MOQ : 10

Price : Negotiated

Payment Terms : L/C,D/A,D/P,T/T,Western Union

Supply Ability : 10000pcs per month

Delivery Time : 10-30days

Packaging Details : by caront or wooden case

Application : sealing ring

Productname : Ceramic Sealing Ring Tube Part

Thickness : Specified per requirement

Shape : Ring

Outerdiameter : Specified per requirement

Material : Ceramic

Insulation : Electrical insulation

Manufacturingprocess : Precision machining or molding

Innerdiameter : Specified per requirement

Function : Sealing

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High Purity High Plasma Durability Alumin Ceramic Al2O3 Plasma Proof Ring for Equipment

High Purity Alumin Ceramic Ring Al2O3 Ring Plasma Proof for Equipment
Alumina (Al₂O₃) ceramic ring:
Alumina ceramic rings are precision-engineered circular components made from high-purity aluminum oxide (Al₂O₃). These versatile rings combine exceptional hardness, thermal stability, and chemical resistance, making them ideal for demanding applications across multiple industries including semiconductor manufacturing, mechanical seals, thermal processing, and precision instrumentation.
Application
High Purity Alumin Ceramic Ring Al2O3 Ring Plasma Proof for Equipment
Mechanical Properties
Properties
Unit
95%Al2O3
99%Al2O3
99.5%Al2O3
Colour
--
White
Yellow
Yellow
Density
g/cm³
3.7
3.85
3.9
Hardness
GPa
13.7
15.2
15.7
Compressive Strength
MPa
2000
2160
2350
Flexural Strength
MPa
280
310
350
Fracture Toughness
MPa・m1/2
3~4
3~4
4.5
Modulus of Elasticity
GPa
320
360
370
Poissons Ratio
--
0.23
0.23
0.23
Thermal Properties
Properties
Unit
95%Al2O3
99%Al2O3
99.5%Al2O3
Maximum Use Temperature
℃(No load)
1650
1650
1650
Thermal Conductivity @ 20°C
W/(m・K)
24
29
32
Thermal Expansion a at 20–400°C
1 x 10-6/°C
7~8
7~8
7~8
Specific Heat
J/(kg・K)
780
790
780
Thermal Shock Resistance
℃(Put in water)
200
200
200
Electrical Properties
Properties
Unit
95%Al2O3
99%Al2O3
99.5%Al2O3
Dielectric Constant
1MHz
9.4
9.9
9.9
Dielectric Strength
V/m
15 x 10 6
15 x 10 6
15 x 10 6
Dielectric Loss
1MHz
4 x 10 -4
4 x 10 -4
4 x 10 -4
Volume Resistivity @ 25°C
Ω・cm
>10 14
>10 14
>10 14
Volume Resistivity @ 500°C
Ω・cm
>10 8
>10 8
>10 10
Various Types of Alumina Ceramic Sealing Ring
We Can Do OEM and 0BM According to Your Drawing and Requirements.
High Purity Alumin Ceramic Ring Al2O3 Ring Plasma Proof for Equipment

Features of alumina ceramic

* Relatively low density;
* Extremely high operating temperature;
* Very high hardness and compressive strength;
* Excellent electrical insulation properties;
* Corrosion and wear resistance;
* Biologically inert, food compatibility.

Alumina Ceramic Properties

The following only lists the performance parameters of the three most common aluminum oxide ceramics.
Normally, alumina ceramics are composed of these types
Packing
High Purity Alumin Ceramic Ring Al2O3 Ring Plasma Proof for Equipment

High Purity Alumin Ceramic Ring Al2O3 Ring Plasma Proof for Equipment

High Purity Alumin Ceramic Ring Al2O3 Ring Plasma Proof for Equipment
High Purity Alumin Ceramic Ring Al2O3 Ring Plasma Proof for Equipment
CNC Workshop
High Purity Alumin Ceramic Ring Al2O3 Ring Plasma Proof for Equipment
Dry Pressing Workshop
High Purity Alumin Ceramic Ring Al2O3 Ring Plasma Proof for Equipment
Polishing Machine
High Purity Alumin Ceramic Ring Al2O3 Ring Plasma Proof for Equipment
Zirconium Oxide Furnace
High Purity Alumin Ceramic Ring Al2O3 Ring Plasma Proof for Equipment
Sintering Kiln
High Purity Alumin Ceramic Ring Al2O3 Ring Plasma Proof for Equipment
Exhibition
High Purity Alumin Ceramic Ring Al2O3 Ring Plasma Proof for Equipment
FAQ
Q1. Do you provide product samples? Yes, we provide samples subject to availability. A nominal sample fee may apply in some cases, and shipping costs are borne by the customer.
Q2. What are your accepted payment methods? We accept T/T (bank transfer) in advance, Western Union, Alipay, and PayPal.
Q3. What is your typical delivery lead time? Lead times vary depending on product requirements, including material selection, dimensions, and specific manufacturing processes.
Q4. Do you perform quality inspection before shipment? Yes, we conduct 100% inspection of all goods prior to delivery to ensure they meet specified standards.
Q5. What other ceramic materials do you offer? We supply a range of advanced ceramic materials, including Alumina, Zirconia, Aluminum Nitride,Boron Nitride, Silicon Nitride, Machinable Glass Ceramic, and related specialized ceramic


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