95% 99% Al2O3 Holder Alumina Ceramic Lamp Base for LED Downlight

• Customization: Available
• Application: Electronics, Refractory, Structure Ceramic
• Grain Size: 1-10um
• Model NO.: HBF-A018
• Purity: 95%
• Type: Ceramic Parts
• Density: 3.60g/cm3
• Working Temperature: 1650 Centigrade
• Color: White
• Certification: ISO9001
• Material: Alumina Ceramic
• Transport Package: Export Carton
• Specification: customized
• Trademark: HIGHBORN
• Origin: Jiangsu, China
• Production Capacity: 50000PCS Per Month
• Package Size: 5.00cm * 15.00cm * 10.00cm
• Package Gross Weight: 1.000kg

Product Description

 Alumina ceramic parts are divided into four main purity levels: 95, 99, 99.5, and 99.7% high-purity alumina. They are made using dry pressing, isostatic pressing, hot pressing, or tape casting, then densified at high temperatures of 1580-1700°C. After that, CNC precision grinding, drilling, slotting, threading, and metallization processing are used to shape them.

Product Description

Product Name	alumina ceramic holder base
Material	alumina
Color	white
Size	customized
Payment	T/T, Western Union, Online payment by credit card are available
Thransport	express transport: 5-10 days; Ocean shipping: About one month.
Delivery Time	1.Stock:delivery within 3-5 days after receiving your payment. 2. OEM:The normal Lead time is 15-45 days, which depends on your quantity.

Alumina base:
Electrical properties: Ultra-high insulation resistance, non-magnetic, low dielectric loss, withstands 15-25kV/mm voltage, suitable for high-voltage / RF equipment.  Heat resistance: Stable for long-term use at 1400-1600ºC, resistant to thermal shock from sudden heating and cooling, no high-temperature creep deformation.  
Mechanical properties: Mohs hardness 9, high bending and compression resistance, wear-resistant, doesn't crack or wear easily under repeated disassembly or high-speed friction.  
Chemical stability: Resistant to all acids and bases, salt spray, and organic solvents, no precipitation that could contaminate precision components.  
Processable items: Ceramic substrates, insulating tubes, ceramic screws and nuts, firing boards, nozzles, bushings, crucibles, grooved special-shaped parts, textile ceramic components, heating insulating pillars.
 Processing capabilities: CNC drilling, grooving, countersinking, internal/external threading, mirror polishing, metalized nickel plating, tolerance ±0.01mm.

 

Alumina ceramic parts are high-performance, precision inorganic ceramic components widely used in industry. They're made by high-temperature sintering of 95/99/99.5/99.7% high-purity alumina powder, featuring key properties like high insulation, high temperature resistance, extreme wear resistance, corrosion resistance, and non-magnetic cleanliness.

 

Alumina base parts cover a full range of products including electronic substrates, insulating sleeves, ceramic fasteners, high-temperature kiln components, wear-resistant bushings and sliders, sandblasting nozzles, crucibles, textile ceramics, and custom-shaped positioning structures.
Standard sizes are in stock, and we can process any shape, size, or precision according to custom drawings. They're widely used in semiconductors, new energy, high-temperature furnaces, chemical industry, medical fields, precision machinery, and electronic ceramic sintering.

 

 

Product Parameters

Company Profile

 

Based on quartz and ceramics, after more than 20 years development, Highborn Group has grown up to a modern enterprise in research, manufacture, processing and sales. We are mainly supplying quartz glass, cuvette, precise ceramics, porous ceramics, thick film resistor, ozone generator, metal fiber felt and we have been offering our products and services to our clients from more than 103 countries or regions.
We can offer not only qualified products, we can also supplying quality service including design, development, export and after sales.

With our professional skills, advanced technology and quality material, we can design and develop new products or new applications according to the clients' expectation. We have custom-made new products and promoted the specifications for more than 1000 clients, and we have gotten good reputation from our clients.

Certifications

Highborn Group is paying great attention to the product quality and technology research all the time.
We have passed ROHS, CE, MSDS tests and also the ISO9001 authentication. We have 8 registered trademark and 25 patents. Also in 2020, we won the title of China High-tech Enterprise and Jiangsu Private Science and Technology Enterprises.

Our Service

We not only attach great importance to product quality, but also pay attention to constantly improve the customer service system.

1. High-quality products	2. Optimal price	3. Safe transportation
4. Sample service	5. Customized size	6.Compensate for broken goods
7.Safe package	8. After sale service	9.Low procurement risk

FAQ

1:What products and service can you offer us?

Answer: With the development more than 20 years, now we have 6 business division and we are supplying Quartz Glass (Tube, Rod, Plate and customized parts), optical glass and cuvette, and also various precise ceramics, porous ceramics and refractory ceramics. We have the full processing line for ceramic thick film resistors, far infrared ceramic glass heating panel, quartz tube/ceramic plate ozone generator and porous metal fiber felt. For all the products, we can design and customize according to the clients' demand.

2: Before mass order, can you offer samples? How will you charge for them?

Answer: We are willing to offer samples to lower your purchasing risk. Generally, if from inventory, we can deliver out within 3days, however if need processing, we can deliver out within 15days. For some difficult items, the delivery time will be decided by its grade of difficulty. For some low value items, we can offer free sample, however we would like you to afford the freight cost. For customized products, we need to charge the developing cost.

3: What test report or certificate can you offer? What achievements have you made in research and development?

Answer: Till the end of 2021, we have passed many ROHS, CE, MSDS tests and also the ISO9001 authentication. We have 8 registered trademark and 25 patents. Also we won the title of China High-tech Enterprise and Jiangsu Private Science and Technology Enterprises.

4: Do you have any agent in our area? Can you export your products directly?

Answer: Till the end of 2021, we haven't authorized any company or person as our regional agent. From 2008, we have the export qualification and professional export team, and till the end of 2021, we have exporting our products to more than 103 countries and regions, and our clients can contact us and purchase our products or service directly.

5: If the quality can not meet the requirement or any loss during the freight, how should we do?

Answer: We have strict QC test and professional QC team. We are always offering qualified products. If anything goes wrong, the quality can not meet requirement on the contract, we will reproduce the qualified products or refund the payment. We have the professional packing team and will pack the product in safe package for long distance delivery. If any loss during the freight, we hope you can assistant us to claim from the logistics company and we will arrange the replacement accordingly.

 

Packaging & Shipping

Safe export package

By plastic bags first , and then into the foam box, finally into the wooden cases/ carton/pallet or customized package.

Delivery
we can deliver by any courier, eg, TNT, UPS, FedEx, EMS etc.
we can also by air, sea etc.

 

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2026.06 updated