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99.5% Alumina Ceramic Insulating Ring High Precision Machined

99.5% Alumina Ceramic Insulating Ring High Precision Machined

  • 99.5% Alumina Ceramic Insulating Ring High Precision Machined
  • 99.5% Alumina Ceramic Insulating Ring High Precision Machined
  • 99.5% Alumina Ceramic Insulating Ring High Precision Machined
99.5% Alumina Ceramic Insulating Ring High Precision Machined
Product Details:
Place of Origin: China,Guangdong
Brand Name: Mingrui
Certification: ISO9001:2015,,CE
Model Number: Customer's Requirements
Payment & Shipping Terms:
Minimum Order Quantity: 1 pieces
Price: USD 1-10/pcs
Packaging Details: Packed in PP bags or sponge tray, then put in standard export carton packing.
Delivery Time: 20 working days after the order confirmed
Payment Terms: Western Union, L/C, T/T, D/P, D/A
Supply Ability: 5000 pieces month
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Detailed Product Description
Feature: High Temperature Resistance Usage: Watch
Density: 3.6g/cm3 Diameter Range: 0.5mm-150mm
Size: Size Customized Surface Treatment: Polishing Or Glazing
High Light:

Alumina Ceramic Insulating Ring

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99.5% Ceramic Insulating Ring

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Machined Ceramic Insulating Ring

High Precision Machined 99.5% Alumina Ceramic Insulating Ring

 

99.5% Alumina Ceramic Insulating Ring High Precision Machined 099.5% Alumina Ceramic Insulating Ring High Precision Machined 199.5% Alumina Ceramic Insulating Ring High Precision Machined 299.5% Alumina Ceramic Insulating Ring High Precision Machined 399.5% Alumina Ceramic Insulating Ring High Precision Machined 4

 


 

Material properties datasheet

 

  Al2O3 ZrO2/Y2O3 ZrO2/MgO MgO SiC Si3N4 Reaction sintered Si3N4 Hot pressed
Physical properties
Density (g/cm3) 3.9 5.9 5.75 3.58 3.2 3.27 3.29
Molecular weight (g/mole) 102 - - 40.4 40.1 140 140
Maximum service temperature air (°C) 1700 - 1800 1500 1000 2200 1500 1200 - 1500 1100 - 1600
Mechanical properties
Hardness (Mohs) 9 - - 5.5 9 - -
Modulus of elasticity (GPa) 300 - 400 200 200 250 - 300 420 170 - 220 280 - 310
Poisson's ratio 0.25 - - 0.18 0.14 0.25 - 0.26 0.27
Fracture toughness (MPa.m1/2) 2 - 3 7 - 13 6 - 10 - 2.5 - 3.5 3.5 - 5 6.1
Electrical properties
Dielectric constant 9 - 10 - - 9 - 10 - 10 10
Electrical resistivity at 20°C (Ohm. cm) >10 14 10 13-10 14 >10 10 - 10 2-10 6 >10 7 10 12- 10 15
Dielectric strength (kV/mm) 10 - 20 9 2 - 10 - - - -
Thermal properties
Specific heat (J/K/kg) 900 400 - 500 420 870 - 880 750 690 680 - 800
Thermal conductivity (W/m/K) at 20°C 26 - 35 2.2 - 3.2 1.5 - 2.5 40 - 50 63 - 155 9 - 30 15 - 43
Coefficient of thermal expansion ( 10-6) from 20 to 1000°C 8-9 10-11 5-16 10-13 4-5 3 3.3
Melting point (°C) 2050 2590 - 2800 2500 1900 1900

 


 

Products features
 

1) High hardness and High density
2) Low thermal conductivity
3) Chemical inertness
4) Good Wear resistance
5) High fracture toughness
6) Good insulation performance
7) High-temperature resistance
8) A variety of specifications is available.
9) Satisfy various technical requests
10) Lower medium spoilage
11) Good insulation performance and high-temperature resistance
12) Stiffness texture
13) Used in all-electric products and electric heating products
14) OEM, ODM, and OBM are welcomed

 


 

Frequently asked questions
 

Q: Are you a trading company or manufacturer?
A: We are a factory.
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 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 are your terms of payment?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact us as below:

 


 

Delivery
 

Custom OEM will be shipped within 15 days after determining the parameters
The samples will be shipped within 3 days
Quick Delivery Via FedEx, DHL, UPS, TNT Etc.
Support customer to designate shipping company
For more information (the price, delivery time, MOQ, etc)about the ceramic plates, please contact us or email:admin@cerampart.com

 


 

Machining process


Raw materials-Molding process - Sintering - Machining & Grinding - Quality Inspection

 


 

Contact Us

 

Mingrui Ceramic Tech Co., Ltd.

(86) 181 2297 4730

admin@cerampart.com

cerampart.com

mrceramicpart.com

 

Contact Details
Dongguan Ming Rui Ceramic Technology Co.,ltd

Contact Person: Admin deng

Tel: 86-18122974730

Send your inquiry directly to us (0 / 3000)