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Alumina Oxide Ceramic Beads

Insulating Ceramic Beads are used to connect heating wire. It has excellent insulation performance and high temperature resistance.
Ceramic material: Steatite Ceramic and Alumina Ceramic
Main types:DOME type, FLAT type, etc

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Product Introduction

Product description

Alumina Oxide Ceramic Beads

Insulating Ceramic Beads are used to connect heating wire. It has excellent insulation performance and high temperature resistance.

Ceramic material: Steatite Ceramic and Alumina Ceramic

Main types:DOME type, FLAT type, etc

Alumina (Al2O3) is a common workhorse material in the world of technical ceramics and is utilized in an extensive variety of industries and applications. Alumina’s material properties offer electrical isolation, wear resistance, high temperature resistance, and good mechanical strength. STC’s fully dense, 99.5%, 99.8% and 99.96% alumina bodies offer improved performance over lower purity alumina ceramics in demanding operating conditions.

Our High purity aluminas make for improved corrosion resistance due to lower impurity/silica content. Higher hardness, increased dielectric strength, and in some cases, superior flexural strength. Finer grain sizes also allow for smooth surface finishes. The grade of alumina is selected to best fit the application.

Alumina Oxide Ceramic Beads

Technical Parameters

Properties	Units	Steatite Ceramic	Cordierite Ceramic	Mullite Ceramic	95% Al2O3	99% Al2O3	Zirconia Ceramic	Silicon Nitride
Colour		White	Yellow	White	White	Ivory	White	Grey
Density	g/cm3	2.7	1.9	2.6	3.5	3.85	6	3.2
Flexural Strength	Mpa	140	30	120	280	340	1150	600
Compressive Strength	MPa	900	350	500	2100	2200	2500	2500
Max Use Temperature	°C	1000	1200	1300	1400	1650	1500	1800
Thermal Condutivity	W(m.K)	2~3	1.3~1.8	2~6	16~28	19~30	2.5	20
Thermal Expansion Cofficient	10-6/°C	7 ~ 9	1.5~3.5	5~6	6.5~7.5	6~8	8~10	3~4
ThermalShock Resistance	△TC	100	300	150	140	150	250	600
Specific Heat	J/kg.K	850	800	900	950	950	500	500
Dielectric Strength	KV/mm	20	—	30	12	10	5	20
Dielectric Constant	Er	6	—	8	9	9	12	6

Production process

Certifications

Precision CNC Alumina Ceramic Setter Flat Plate

Our advantage

● Certificates: ISO & SGS

● OEM & ODM: OEM & ODM service is available

● Strict testing procedures :Meeting the requirements of the product design and process, providing reliable testing data.

● Short Delivery time:If less than 1000 pieces, it only takes around 5 days. We also stock some standard-sized products, if you need urgently, we can delivery very soon.

● Best ex-factory price

● Worldwide customers

● Customized according to needs

● Continuous research and development of new products

● Customer service:If you find some quality problem, please contact us, we’ll deal with it as soon as possible.

Packaging and shipping

Precision CNC Alumina Ceramic Setter Flat Plate

Our Main Products

Precision CNC Alumina Ceramic Setter Flat Plate

Company Profie

Yixing Shengda Refractory Ceramic Co., Ltd, established in 1995, Yixing, China with an area of 4,000 square meters and fixed assets of over 1 million US dollars, is a professional manufacturer of Steatite Ceramic Parts, Alumina Ceramic Parts, Cordierite Ceramic Parts, Ceramic Band Heater Insulators, Ceramic Terminal Block, Thermostat Ceramic Parts, Zirconia Ceramics Parts, Ceramic Heater Plugs, etc.

Shengda Ceramic equipped with CAD/CAXA/Solidworks software to provide professional OEM & ODM service.

Looking forward to co-operating with the customers from all over the world!

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