Specifications
Brand Name :
oem
Model Number :
Customized requirement
Certification :
ISO9001-2015.,UL,ROAH
Place of Origin :
China
MOQ :
10 pieces
Price :
Negotiation
Payment Terms :
T/T, Western Union, MoneyGram, D/P, D/A
Supply Ability :
10000 pieces month
Delivery Time :
15-20 working days after the order confirmed
Packaging Details :
intertional carton box
Sample order :
acceptable
Color :
ivory / white or customized
Testing Way :
Strict Quality test one by one
advantage :
good insulation performance
Size :
Size Customized
Feature :
High wear resistant/corrosion resistant/high-temperature resistant
Precision :
+ / -0.001mm
Surface finish :
Surface glazed, polishing, or metallized
Density :
3.65 - 6.10 G/cm3
Thickness :
1mm,2mm,3mm, or ccustomzied
Description

High Temperature Insulation 99% Alumina Ceramic Wafer / Substrate/ Round Sheet / Disk

Technical data of al2o3 alumina ceramic wafer:


-Heat resistance

-Wear resistance

-High strengh
-Good insulation

-Corrosion resistance
-Used in all electric products, electric heating products and wear resistant machinery parts.

-OEM, ODM and OBM are welcomed

Application:
Alumina ceramic is mainly used in large power equipment, IC MOS tube, IGBT chip heat conducting insulation, high frequency power supply, communication, mechanical equipment, strong current, high voltage, high temperature and other thermal heat insulation parts need products.
Physical properties: high thermal conductivity, high voltage insulation resistance, high temperature resistant, abrasion resistant, high strength.

Different technique datas of different alumina percentage:

Item 99alumina 95alumina 92alumina unit symbol
Bulk Density 3.85 3.65 3.6 g/cm3≥
Flexural Strength 350 300 280 MPa≥
Max Use Temperature 1700 1500 1400 °C≥
Volume Resistivity 1015 1014 1014 Ω·cm 20°C

Our products include engineered ceramic, strengthened structure ceramic,ceramic bar,ceramic tube,ceramic block, ceramic ring, ceramic cylinder/bushings, ceramic shaft,ceramic plate,ceramic sleeve,ceramic valve,ceramic plunger and ceramic arm,ceramic pin, ceramic metric gauge, ceramic substrate.

Machining precision data: (reference data,the actual data is subject to the actual conditions)
(1)Shaft parts: Radial dimensions can reach 0.0015 mm; roundness 0.001 mm, concentricity 0.0025 mm, roughness 0.01
(2)Hole type parts:Machining minimum aperture of 0.3 mm, depth can reach 3 mm;The diameter of 1 mm can be radial 0.002 mm;Roughness 0.02-0.04;
(3)Plane processing:The tolerance can reach 0.002 mm, and the plane is 0.0015mm.
(4)Ceramic thread processing:the internal thread M2 can be grinds, thread precision GB-7h; The outer thread size is not limited, the precision GB-6g;

Properties Sheet of zirconia and alumina :

Properties Unit Alumina Zirconia
96%Al2O3 99%Al2O3 99.5%Al2O3 99.8%Al2O3 99.9%Al2O3 3Y-TZP
Colour - White White Ivory Ivory Translucent white/black
Bulk density g/cc 3.78 3.88 3.93 3.93 3.98 6.03
Water Absorption % 0 0 0 0 0 0
Grain size μm 5-10 2-5 2-5 2-5 2-4 0.4
Bending strength MPa 380 350 360 380 300 1000
KIC MPa.m1/2 3~4 4 3~4 3~4 3~4 5~8
Vickers Hardness GPa 13 14 14.5 14.5 15 13
Young's Modulus of Elasticity GPa 360 370 370 380 390 200
Thermal Conductivity W/m° K 24 28 32 32 34 2
Coefficient of Linear Expansion 10-6/°C 6.7 7.2 7.2 7.2 7.2 10.5
Dielectric Constant (1MHz) - 9.1 9.5 9.6 9.6 9.9 33
Dielectric Loss Angle (1MHz) - 0.0002 0.0001 0.0001 0.0001 0.0001 0.002
Dielectric Strength V/m 15×106 15×106 15×106 15×106 15×106 11×106
Volume Resistivity Ohm.cm >1014 >1014 >1014 >1014 >1014 1013
(RT)

Processing Methods
High Temperature Insulation 99% Alumina Ceramic Wafer / Substrate/ Round Sheet / Disk

Packaging & Delivery

Packaging Details: 1. Carton with Bubble bag or foam.
2. Wooden carton
3. As per customer's requirements.
Delivery Details: 1. 3-25 days for sample
2. 25-40 days for mass products.
Shipment Terms: 1. Small order: By express, DHL/ UPS/ Fedex/ EMS etc.
2. Large order: By sea or By air

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 15-20 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 is 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:

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High Temperature Insulation 99% Alumina Ceramic Wafer / Substrate/ Round Sheet / Disk

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Brand Name :
oem
Model Number :
Customized requirement
Certification :
ISO9001-2015.,UL,ROAH
Place of Origin :
China
MOQ :
10 pieces
Price :
Negotiation
Contact Supplier
High Temperature Insulation 99% Alumina Ceramic Wafer / Substrate/ Round Sheet / Disk
High Temperature Insulation 99% Alumina Ceramic Wafer / Substrate/ Round Sheet / Disk
High Temperature Insulation 99% Alumina Ceramic Wafer / Substrate/ Round Sheet / Disk

Dongguan Ming Rui Ceramic Technology Co.,ltd

Active Member
9 Years
guangdong, dongguan
Since 2007
Business Type :
Manufacturer, Exporter, Seller
Total Annual :
10000000-15000000
Employee Number :
80~120
Certification Level :
Active Member
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