
1. Description
Alumina ceramic GUIDE is produced by alumina as the main material,
through the forming, high temperature sintering .
has good heat resistance, high performance, good compression
wear-resisting performance , high insulating strength, high
mechanical strength, thermal expansion coefficient little etc
Widely used in electronics, electrical equipment, instrument and
apparatus, household appliances, electric vacuum device,
communication equipment, temperature control switch, high-grade
ceramic valve, faucet move sliding-vane, and other industries for
precision components use and in the media with grinding and
polishing
1.Good Electrical Insulation,
2.Max. working temperature: 1300--1800 C
3.Design and make according to the customer's need
4.Chemically inert, anti-acid, anti-alkaline,Superior reliability
and durability
Properties:
1.High Mechanical Strength
2.High Thermal Conductivity
3.High Spalling Resistance
4.High Softening Temperature
5.Excellent Insulativity
6.Etching Resistance
We can also design upon the customers' detailed requirements.
2.Material Parameters
Performance For Industrial Ceramic | ||||||
Item | Unit | 90 Al2O3 | 95 Al2O3 | 99.7 Al2O3 | ||
Physical Characteristics | Heat resistance | 0C | 1500 | 1550 | 1800 | |
Bulk density | g/cm3 | 3.6 | 3.6 | 3.9 | ||
Water absorption | % | 0 | 0 | 0 | ||
Mechanical Characteristics | Flexural strength | Mpa | 320 | 340 | 360 | |
Hardness vickers | Gpa | 12.2 | 13.5 | 15.6 | ||
Elastic modulus | Gpa | 280 | 320 | 370 | ||
Poisson’s ratio | 0.22 | 0.23 | 0.23 | |||
Thermal Characteristics | Linear expansion coefficient | (20-5000C) 10-6/0C | 7.1 | 7.2 | 8 | |
Thermal conductivity | w/(m.k) | 16 | 24 | 32 | ||
Specific Heat | *10-3J/(kg*K) | 0.78 | 0.78 | 0.9 | ||
Electrical Characteristics | Dielectric constant (1MHZ) | - | 9 | 9.4 | 9.9 | |
Dielectric loss angle | *10-4 | 15 | 5 | 1 | ||
Dielectric strength | *106V/m | 12 | 15 | 15 | ||
Processing technology | ||||||
Process range (mm) | ||||||
Outside Diameter | 1---300 | |||||
Inside Diameter | 0.5---300 | |||||
Length | 0.5---1200 | |||||
Accuracy of working (mm) | ||||||
Perpendicularity | 0.01 | |||||
Concentricity | 0.01 | |||||
Roundness | 0.005 | |||||
Straightness | 0.005 | |||||
Parallelism | 0.01 | |||||
Planeness | 0.005 | |||||
Roughness | 0.05 | |||||
Fit clearance | 0.005 |
We can supply the products according to customer's drawings, samples and performance requirement.
3.Features
1) A variety of specifications available.
2) Satisfy various technical request
3) Lower medium spoilage
4) Good insulation performance and high temperature resistance
5) Stiffness texture
6) Used in all electric products, electric heating products and wear resistant machinery parts.
Product Performance
--High thermal conductivity
--High flexural strength
--High temperature
--Good electrical insulation
--Low dielectric constant and loss
Forming Methods Includes
Drying pressing
Isostatic pressing
Hot pressing casting
Yixing City Kam Tai Refractories Co.,ltd
Yixing City Kam Tai Refractories Co.,ltd is located in Yixing, the
Pottery capital of China. Our company is founded in 2006, it is a
professional refractory and ceramic company which cover research,
production, sales and after-sales service. Since establishment, we
adhere to principle of “Technological Innovation, Never Stop”,
continuously improve R&D and production process and equipment.
Moreover, we cooperate with famous university such like Liaoning
University of Science and Technology, Beijing University of Science
and Technology.
Main Products
We mainly manufacture industry furnace refractory material such as
Sic PLATE,Setter plate, Push plate, Pillar,Sagger, Technical
Ceramic, Furnace material and so on. Our product is widely used to
sinter Magnetic Material, Electronic Ceramic, Daily Ceramic, Powder
Metallurgy, Rare Earth Battery Material and so on. Our sandwich
setter plate, electronic ceramic used sagger, Lithium battery
cathode material sintering sagger are very good , and they have
been leader products in our field .
Company Vision
Since our establishment, we insist on “No best , Just Better” , aimed to be the top Supplier of Refractory material and Technical Ceramic in the world.