Fine Technical Ceramics Silicon Nitride Wafer Manufacturer

Product Description

Product Description

Fine Technical Ceramics Silicon Nitride Wafer Manufacturer

Silicon Nitride Ceramic:

Silicon nitride ceramic is an inorganic material ceramic that does not shrink when sintered. Silicon nitride is very strong, especially hot pressed silicon nitride, which is one of the hardest substances in the world. It has high strength, low density and high temperature resistance.
Si3N4 ceramic is a covalent bond compound. The basic structural unit is a [SiN4] tetrahedron. The silicon atom is located at the center of the tetrahedron. There are four nitrogen atoms around it, which are located at the four vertices of the tetrahedron, and then every three A tetrahedron shares the form of an atom, forming a continuous and robust network structure in three dimensions.

Alumina ceramic properties: High hardness, high strength, wear resistance, corrosion resistance, high temperature(1200°), good thermal diffusivity, good thermal shock resistance(avoid the temperature changing rapidly), good insulativity, low density. The comprehensive properties are best in most of structure ceramic.

Data Sheet↓

Item	Unit	Typical Values
Physical Properties
Density	g/cm3	>3.2
Mechanical Properties
Hardness	HRA90
Vickers Hardness (Hv50)	HV0.5	>1550
Modulus of Elasticity	Gpa	290
Flexural Strength	Mpa	>600
Compressive Strength	Mpa	2500
Fracture toughness	Mpam1/2	>6.0
Thermal Properties
Maximum use temperature	°C	1200
Thermal Conductivity	W/(m.k)	15-20
Thermal Expansion Coefficient	10-6/°C	>3.1
Thermal Shock Resistance	△T°C	500
Specific Heat Capacity	KJ/kg.K	700
Electrical Properties
Dielectric Strength	KV/mm	1
Dielectric Constant	er
Volume Resistivity at 20°C	Ω.cm	1.0X10(12)

silicon nitride applications industry: Machinery, electronic, semiconductor, chemical, petroleum, smelt.
silicon nitride applications specific: Welding shaft, electronic substrate, plunger, nozzle, slide guide, diesel parts, metal molding, shaft wheels etc

Company Information

Shenzhen Hard Precision Ceramic CO.,Ltd founded in 2007, located in Shenzhen of China. 
We are a company that integrates development, design, molding, sintering, production and sales of precision ceramic products. After 10 years of development, we have cooperated with more than 2000 customers and 60 universities; Our factory covers an area of 2000 square meters, 50 employees, and annual production value of nearly 20 million. We have a higher visibility and better reputation in the same industry.Our products include ceramic rods, tubes, plates, blocks and precision parts for industrial. We have all-line high precision equipments from ceramic forming, sintering to precision machining. Hope for a wide range of sincere cooperation with customers at home and abroad.
 

Why Choose Us?

1.17 years of professional production industrial ceramics factory
2.High quality products with low price
3.High precision parts with lowest tolerance
4.Show time for production 
5.Has a group of experienced, professional and efficient R&D team
6.Has a good reputation in China and abroad.
7.MOQ is not limited, small quantity is welcome.
8.Vigorous team and good after-sales service
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FAQ
 

Q: Are you trading company or manufacturer ?
A: We are factory.

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 quantity.

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: What is your terms of payment ?

A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 50% T/T in advance ,balance before shippment.

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