99% 99.5% Alumina Al2O3 Insulated Insulating Disc Part Component
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Product Highlights
- High Purity Alumina: Made with 99% to 99.5% Alumina (Al2O3) for superior insulation.
- Customizable Dimensions: Shape, size, and color can be customized to specific requirements.
- High Wear Resistance: Features excellent wear resistance for durable electrical applications.
- Corrosion Resistant: Provides effective corrosion protection in harsh environments.
- ISO9001 Certified: Manufacturing process certified under ISO9001 quality standards.
- Polished Edges: Edges are professionally polished for safety and precision.
Product Attributes
- Customization
- Available
- Application
- Insulators, Electrical Winding Insulation, Winding Wire Coating Insulation, Electrical Base, Shell, Switch Baseplate
- Color
- White/Customized Color
- Model NO.
- CI
- Material
- Ceramic
- Material Name
- Alumina (99%~99.5%)
- Edge
- Polished
- Dimension
- Customized
- Type
- Solid
- Chemistry
- Inorganic Insulation
- Certification
- ISO9001
- Transport Package
- Carton (or Customized)
- Specification
- Custumized
- Trademark
- WMT
- Origin
- China
- Production Capacity
- 25million PCS Per Month
Product Images of 99% 99.5% Alumina Al2O3 Insulated Insulating Disc Part Component
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Product Description

Feature:
High Wear-Resistance, Isulated, Thermostability, Corrosion Proventive
Size, Color, Shape: Customized.
| Performance for parts made in different materials | ||||||
| Item | Index | Unit | Steatite | Zirconia | 95 Al2O3 | 99 Al2O3 |
| Physical Characteristics | Density | g/cm3 | 2.7 | 5.9 | 3.6 | 3.85 |
| Water absorption | % | 0 | 0 | 0 | 0 | |
| Sintering temperature | ºC | 1300 | 1650 | 1670 | 1690 | |
| Mechanical Characteristics | Hardness | HV | 1300 | 1400 | 1600 | 1700 |
| Rupture strength | 4pt | >1100 | >11000 | >2900 | >3500 | |
| Compression strength | Kgf/cm2 | 18000 | 25000 | 25000 | 30000 | |
| Thermal Characteristics | Max. operation Temp. | ºC | 1100 | 1600 | 1400 | 1500 |
| Linear expansion coefficient | 10-6/ºC, 0-1000ºC | 6 | 10 | 7.8 | 8 | |
| Heat resistance impact | T (ºC) | 110 | 350 | 220 | 200 | |
| Thermal conductivity | W/m.k | 15 | 3 | 22 | 31 | |
| Electrical Characteristics | Valume resistivity | Ω.cm | >1012 | >1012 | >1012 | >1012 |
| Insulation Demage Strength | KT/m | 20 | 15 | 16 | 18 | |
| Dielectric constant | 1MHz ( E ) | 5.8 | 12.5 | 9.0-10 | 9.2-10.5 | |
Production Line:
Packaging:

Company Advantage:
Good service and cooperation, reasonable price, customer-trusted quality.
FAQ:
Q: How long is your delivery time?
A: Generally speaking, two weeks according to the quantity.
Q: Do you provide samples?
A: Yes, we could provide the sample free of charge.
Q: What is your payment terms?
A: 30% T/T in advance, 70% T/T before shipment. Or irrevocable sight LC. After stable cooperation experience, we would offer better payment condition.
Q: How can I place an order?
A: You can do it through email, wechat, whatsapp, skype.
Q: How do you take care when your clients received defective products?
A: If there are some defective items more than percentage that both sides agreed in the PI or SC, we usually credit to our customer or replace in next shipment.
If you have any request for other information or assistance, please feel free to let us know. Thanks.
About the Supplier
Company Profile
Our company, Qingdao Western Material Technology Co Ltd, has two factories. One is for infrared heat lamps' production, and another is for ceramic parts' production, including the ceramic caps for heat lamps. Besides, we also supply pertinent materials and parts for heat lamps and lighting field, including components and parts for auto lighting products, ceramic products, parts of electrical products, as well as completed products, including infrared lamps, heating lamps, automotive and motorcycle halogen bulbs, etc. During the past years, with more and more trust built based on good service and cooperation, reasonable price, customer-trusted quality, we established stable relation with friends and customers in many countries, from North America, Europe and Asia.
Major members in our company have professional experience for over 20 years in above products' fields, as well as in international trading business and service. Customers who need to purchase multiple goods can find all the products in one series at once from us, so we help them to save a lot of cost to look for manufacturers and inspect factories & products all over China. Besides, since we source a big quantity of goods from many manufacturers except for products made in our own factory, we could get a better price than that a buyer gets from a manufacturer directly based on a less quantity. And all products before shipment would be inspected by our company in order to guarantee they could satisfy customers.
If you have request for any further question or assistance, please just let us know without hesitation.
About Our Factory & Business Background
- Address
- 2-1808B, Huangguanguoji, No. 11, Huadingshan Rd., Qingdao, China
- Terms of Payment
- LC, T/T
- International Commercial Terms(Incoterms)
- FOB, EXW, CFR, CIF
- Average Lead Time
-
Peak Season Lead Time: 1-3 months
Off Season Lead Time: one month - Nearest Port
- Qingdao
Our Production Capability & Technical Expertise
Our Industry Experience & Global Business Record
- Export Year
- 2018-01-01
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
FAQ
- How long is your delivery time?
- Generally speaking, two weeks according to the quantity.
- Do you provide samples?
- Yes, we could provide the sample free of charge.
- What is your payment terms?
- 30% T/T in advance, 70% T/T before shipment. Or irrevocable sight LC. After stable cooperation experience, we would offer better payment condition.
- How do you take care when your clients received defective products?
- If there are some defective items more than percentage that both sides agreed in the PI or SC, we usually credit to our customer or replace in next shipment. If you have any request for other information or assistance, please feel free to let us know. Thanks.
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