High Quality Alumina Electrical Ceramic Insulators

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Product Overview


Product Description

Alumina ceramic is a kind of alumina (AL2O3) as the main material, has good conductivity, mechanical strength and high temperature resistance, is a kind of widely used ceramics, products are widely used in electronic appliances, mine, coal, industry, petroleum, chemical, machinery, aerospace, solar energy and other fields.

Main characteristics of alumina ceramics:
1. Good mechanical strength
2. Good thermal conductivity
3. Good high temperature resistance
4. Good resistance to chemical corrosion
5. High hardness and excellent wear resistance
6. Good electrical insulation performance

Ordinary alumina ceramic system according to Al2O3 content is divided into 99 porcelain, 95 porcelain, 90 porcelain, 85 porcelain and other varieties, sometimes Al2O3 content in 80% or 75% is also classified as ordinary alumina ceramic series. The 99 alumina porcelain material for the production of high temperature crucible, furnace tube and special wear-resistant materials, such as ceramic bearings, ceramic seals and water valve pieces; 95 alumina porcelain is mainly used as corrosion resistant and wear resistant parts; Due to the addition of talc, the electrical properties and mechanical strength of the porcelain can be improved. It can be sealed with molybdenum, niobium, tantalum and other metals, and some of them can be used as electric vacuum devices

Technical Sheet


Testing equipment

Roughness tester
Micro hardness tester
Quadratic element detector

Company Profile

Jiangsu Fist Special Ceramic Co.,Ltd is a company specialized in manufacturing industrial ceramics since 2002. Our products include alumina ceramics parts, steatite ceramics parts, zirconia ceramics parts, cordierite ceramics parts and etc.
Fist is located in Yixing area,it employs more than 100 peoples, most of our technician have many years of rich experience in ceramic processing. We also can provide a full set of ceramic solutions for customers, and can make different kinds of ceramic products according to customer's special request.
Our main products are widely used in electrical appliance industry, textile industry, mechanical industry, LED lighting industry, heating industry, chemical industry, etc. We will try our best to manufacture quality products and delivering products as per the customers' drawing and samples.
We warmly welcome friends from all walks of life to corporate with us.



Product packaging

Packing : cartons / Wooden case/pallet
Delivery : Many sizes in stock---3-7days
If we have not in stock--about 30days


Q: Are you trading company or manufacturer ?
A: Jiangsu Fist Special Ceramic Co.,Ltd is a professional manufacturer devoted in producing all kinds of industrial ceramic parts.
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-30 days if the goods are not in stock, it is according to
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q: Can you customize the ceramic products?
A:Of course,we can customize various ceramic products according to your drawing.
Q: How can you get quotation?
A: Please kindly send me your drawing with technical requirement and demand quantity.
If you don't have the drawing,please kindly courier samples to us.We will quote our best price as soon as possible.

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