Very High Working Temperatures and Wear Resistance High Purity 99% Alumina Ceramic Ring Al2O3 Part for Industrial

• Application: Structure Ceramic, Industrial Ceramic, High Temperature
• Material: Alumina Ceramic
• Type: Ceramic Rings
• Product Name: High Purity 99% Alumina Ceramic Ring
• Color: White, Ivory
• Density: 3.9g/cm3
• Model NO.: HBR
• Advantage: Wear Resistance, Insulating, High Teperature
• Usage: Industrial Ceramics
• Keyword 1: Alumina Ceramic Washer
• Keyword 2: Alumina Ceramic Sleeve
• Keyword 3: Alumina Ceramic Bushing
• Transport Package: Export Carton/Wooden Box
• Specification: Customized
• Trademark: HB
• Origin: Jiangsu/China
• HS Code: 8547100000
• Production Capacity: 30000

Product Description

High Purity 99% Alumina Ceramic Ring Al2O3 Part For Industrial,alumina ceramic tube is no surprise that fine grain technical grade alumina has a very wide range of applications.Customized designs are very often to be made.

Product Description

Product Name	High Purity 99% Alumina Ceramic Ring Al2O3 Part for Industrial
Material	99% Alumina
Size	Customized
Shape	Ring
Temperature	1700 degree
Feature	1.High Mechanical Strength    2.Good Electrical Insulation 3.High hardness                     4.Good chemical stability and resistance     5.Resistance to wear and corrosive
Payment Item	T/T,Western Union,Online payment by credit card are available
Transport	Air transport: 5-10 days; Ocean shipping: About one month.
Delivery Time	1.Stock:delivery within 3-5 days after receiving your payment. 2. OEM/ODM:The normal Lead time is      15-45 days, which depends on your quantiy.

Ceramic ring is made of alumina or aluminum oxide (Al2O3) in its various levels of purity is used more often than any other advanced ceramic material. Tigar Ceramic offers a wide range of material types with different property profiles that can be adjusted via a targeted matrix design.

The alumina insulator ceramic rings has very high hardness, very high stiffness, very good corrosion resistance to chemicals at high temperature, and very high refractoriness or use temperature.

Feature

1). Excellent insulation, security, long working life.

2). High temperature resistance

3). Resistance to electric breakdown

4). Stand wear and tear

5). High strength 

6). Corrosion resistance

7). Good compactness

8). HIgh hardness


 

Product Parameters

 

Item	Test  Condition	Unit Symbol	95% Alumina ceramics	99% Alumina ceramics	99.7% Alumina ceramics
The main chemical ingredient			Al2O3	Al2O3	Al2O3
Bulk Density		g/cm3	3.6	3.89	3.96
Maximum Use Temperature			1450°C	1600°C	1650°C
Water absorption		%	0	0	0
ROHS Hardness			≥85	≥89	≥89
Flexural strength	20° C	MPa (psi x 103)	358 (52)	550	550
Compressive Strength	20° C	MPa (psi x 103)	2068 (300)	2600(377)	2600(377)
Fracture Toughness	K(I c)	Mpa m1/2	4-5	5.6	6
Coefficient of thermal expansion	25-1000° C	1X 10-6/°C	7.6	7.9	8.2
Coefficient of thermal conductivity	20° C	W/m °K	16	30.0	30.4
Thermal Shock Resistance	Tc	°C	250	200	200
Dielectricity constant	1MHz.25°C		9	9.7	9.7
Dielectric strength		ac-kV/mm (ac V/mil)	8.3 (210)	8.7 (220)	8.7 (220)
Volume Resistivity	100°C	ohm-cm	> 1013	> 1014	> 1014

 

Packaging & Shipping

Packaged by polybay and bubble bag in the stardard export carton,
Every package can be offered with English installation instruction.

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,polyester fiber cotton products and we have been offering our products and services to our clients from more than 108 countries or regions.

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.

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

Patent

Our Service

 

 

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 ,porous metal fiber felt and polyester fiber cotton products. 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 108 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.