Customization: | Available |
---|---|
Certification: | RoHS, ISO9001, CE |
Type: | Insulation Material |
Still deciding? Get samples of US$ 2/Piece
Order Sample
|
Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
---|
Payment Methods: |
|
---|---|
Support payments in USD |
Secure payments: | Every payment you make on Made-in-China.com is protected by the platform. |
---|
Refund policy: | Claim a refund if your order doesn't ship, is missing, or arrives with product issues. |
---|
Suppliers with verified business licenses
Audited by an independent third-party inspection agency
Item | Unit | Steatite ceramic | 95 Al2O3 | 96 Al2O3 | 99 Al2O3 | |
Physical Characteristics | Heat resistance | 0C | 1100 | 1500 | 1550 | 1800 |
Bulk density | g/cm3 | 2.7 | 3.6 | 3.6 | 3.9 | |
Water absorption | % | 0 | 0 | 0 | 0 | |
Mechanical Characteristics
|
Flexural strength | Mpa | 145 | 320 | 340 | 360 |
Hardness vickers | Gpa | 5.7 | 12.2 | 13.5 | 15.6 | |
Elastic modulus | Gpa | 120 | 280 | 320 | 370 | |
Poisson's ratio | 0.21 | 0.22 | 0.23 | 0.23 | ||
Thermal Characteristics | Linear expansion coefficient | (20-5000C) 10-6/0C | 7.9 | 7.1 | 7.2 | 8 |
Thermal conductivity | w/(m.k) | 2.5 | 16 | 24 | 32 | |
Specific Heat | *10-3J/(kg*K) | 0.75 | 0.78 | 0.78 | 0.9 | |
Electrical Characteristics | Dielectric constant (1MHZ) | - | 6.2 | 9 | 9.4 | 9.9 |
Dielectric loss angle | *10-4 | 18 | 15 | 5 | 1 | |
Dielectric strength | *106V/m | 18 | 12 | 15 | 15 | |
Processing technology | ||||||
Process range (mm) | ||||||
Outside Diameter | 1---300 | |||||
Inside Diameter | 0.5---300 | |||||
Length | 0.5---600 | |||||
Accuracy of working (mm) | ||||||
Perpendicularity | 0.001 | |||||
Concentricity | 0.001 | |||||
Roundness | 0.0005 | |||||
Straightness | 0.005 | |||||
Parallelism | 0.01 | |||||
Planeness | 0.005 | |||||
Roughness | 0.005 | |||||
Fit clearance | 0.005 |
FAQ
(1).Q: Will you accept customized requirement?
A: Of course, customized service is surely acceptable. Welcome to send us your drawing and more detailed specification parameters. We can supply you the products as per your specific requirements.
(2).Q: How can I get a sample?
A: Normally For most our products can be sent free of sample charge if the quantity is small and customers only need to bear the shipping charge, or you can provide your DHL,FEDEX,EMS,UPS courier account number to us. If the quantity is big, we will charge a sample fee.
(3). Q: Why does your price a bit higher than other Chinese suppliers?
A: To meet the requirement of different customers and areas, our factory manufactures various kinds of quality for each item at a wide range of price. We can offer the products of different quality levels depending on customer's target price and quality requirement.
(4). Q: How can you guarantee the quality of mass production keep the same with the sample sent to me before?
A: Our warehouse staff will leave another same sample with your company name marked in our company before sending the samples to you to ensure the same production as the samples.