White Aluminum Oxide Insulator Precision Ceramic Machining Seal Ring

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Loudi Antaeus Electronic Ceramic Co.,Ltd.

City: loudi

Province/State:hunan

Country/Region:china

Tel:86--15073852630

Contact Person:
Ms.Yan Lee View Contact Details

White Aluminum Oxide Insulator Precision Ceramic Machining Seal Ring

Brand Name	Antaeus
Model Number	AD-B020
Certification	/
Place of Origin	Hunan,China
Minimum Order Quantity	Negotiation
Price	Negotiation
Payment Terms	T/T or Negotiation
Supply Ability	Full Supply
Delivery Time	15-45 days
Packaging Details	Inner vacuum packaging, outside carton.
Product Name	Metallized Alumina Ceramic Rings / Ceramic Insulators for Battery
Material	Alumina (Aluminum Oxide, Al2O3)
Insulation Resistance	1000M Ω（1000VDC)
High Light	Alumina Ceramic Rings / Metallized Ceramic Insulators / Electrical Ceramic Components
Thermal Shock Resistance room temperature to 850C	will not burst or leak after five operations
Max. Use Temp.	1650℃
ROHS Hardness	≥89
Flexural strength	550 Mpa(psix10^3)
Compressive Strength	2600(377) Mpa(psix10^3)
Coefficient of thermal expansion	8.2 X10^-6/℃
Coefficient of thermal conductivity	17-30.4 W/m.K

Detailed Product Description

Alumina Seal Ceramic Rings / Industry Insulation Rings

1. Description:

Processing of ceramic seal rings:

Sintering --- To complete the forming process, manufacturers put the ceramic piece, known as a greenware, in an extremely oven or chimney. Sintering strengthens a ceramic part by causing its oxides to bond and desificate. During this chemical change, both ionic and covalent bonds are formed and create the ceramic’s crystal structure. This process involves cations; the ionic structure is determined when you calculate the difference of electronegativity between cations and anions.

2. Feature Advantages:

1) Refractory, High Temperature Resistance, Maximum Used Temperature: 1800 ºC (3272ºF)
2) Hardness Strength, Wear Resistance Up To Mohz 9.0 ; HRA 80-90
3) High Voltage, Good Insulation Performance ,Electrical Resistivity Up To 10∧14 Ohm.Cm
4) High Polished Surface Up To Rz0.8(Ra0.1)
5) Superior Mechanical Strength, MAX 10 MPa.m1/2 Fracture toughness
6) Pressure Resistance, Max 2300MPa compressive strength
7) Anti-High Corrosion Resistance, Such As Acid Alkali Resistance
8) Long Service Life
9) Other excellent property

3. Material Features / Properties:

Composite	(wt %)	99%	99.5%	99.8%
Color		White or Ivory	White or Ivory	White or Ivory
Density	g/cm 3	3.82	3.9	3.92
Hardness	HRA	83	85	85
Flexural Strength	Mpa (psi*10 3 )	375	386	381

4. Technical Parameters:

Technical Parameters of Ceramics
Items	Test Conditions	Unit or Symbol	99% AL2O3	95% AL2O3	90% AL2O3	Zirconia	Steatite	Silicon Carbide
Volume Density	--	g/cm3	≥3.70	≥3.62	≥3.40	≥5.90	≥2.60	≥3.08
Tightness	--	Pa·m³/s	≤1.0×10-11	≤1.0×10-11	≤1.0×10-11	-	-	-
Liquid Permeability	--	--	Pass	Pass	Pass		Pass	-
Flexural Strength	-	MPa	≥300	≥280	≥230	≥1100	≥120	≥400
Elastic Modulus	-	GPa	-	≥280	≥250	≥220	-	400
Poisson Ratio	-	-	-	0.20～0.25	0.20～0.25	-	-	-
Thermal Shock Resistance	800℃( Room Temperature) Cycle: 10 times		Pass	Pass	Pass	-	-	-
Coefficient of Linear Expansion	20℃～100℃	×10-6 K-1	-	-	-		≤8	-
	20℃～500℃	×10-6 K-1	6.5～7.5	6.5～7.5	6.5～7.5	6.5～11.2	-	-
	20℃～800℃	×10-6 K-1	6.5～8.0	6.5～8.0	6.3～7.3		-	4
	20℃～1200℃	×10-6 K-1	-	7.0～8.5	-	-	-	-
Coefficient of Thermal Conductivity	20℃	W/(m·k)	-	-	-	-	-	90～110
Coefficient of Thermal Conductivity	1000℃	W/(m·k)	-	-	-	-	-	90～110
Dielectric Constant	1MHz 20℃	-	9.0～10.5	9.0～10	9.0～10	-	≤7.5	-
	1MHz 50℃	-	-	9.0～10	-	-	-	-
	10GHz 20℃	-	9.0～10.5	9.0～10	9.0～10	-	-	-
Volume Resistivity	100℃	Ω·cm	≥1.0×1013	≥1.0×1013	≥1.0×1013	-	≥1.0×1012	-
	300℃		≥1.0×1013	≥1.0×1010	≥1.0×1013	-	-	-
	500℃		≥1.0×109	≥1.0×108	--	-	-	-
Disruptive Strength	D.C	kV/mm	≥17	≥15	≥15	-	≥20	-
Chemical Durability	1:9HCl	mg/c㎡	≤0.7	≤7.0	-	-	-	-
Chemical Durability	10%NaOH	mg/c㎡	≤0.1	≤0.2	-	--	-	-
Grain Size	-	μm	-	3~12	-	-	-	-

5. Process Flows:

Formulating --- Granulating --- Forming --- Sintering --- Grinding --- Printing --- Nickel Plating --- Assembing --- Brazing --- Inspecting --- Packing

6. Production Facilities: Prilling Tower , Forming Machine , High Temperature Sintering Kiln

7. Detection Devices:

Electric Performance Tester , Film Thickness Analyzer , Granulometer , Helium Mass Spectrometer Leak Detector , Universal Pull Force Meter

8. Our advantages: Quality Assurance ; Price Competitive ; Factory Supply Directly ; Good Service

9. Shipping and Package:

10. Our aimed market:

Notes:Above information only for reference and please contact with us for more details freely when you have any inquiry!

Product Tags: White Aluminum Oxide Insulator Precision Aluminum Oxide Insulator Precision Ceramic Machining Ring

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