Ceramic Materials
Q:Do you supply or work with materials that are not listed on your website?

A:Although our primary focus is on advanced ceramic materials such as alumina, zirconia, silicon carbide, silicon nitride, aluminum nitride, and quartz ceramics, we are always exploring new materials and technologies. If you have a specific material requirement, please contact us, and we will do our best to fulfill your needs or find suitable partners.

 

Q:Can you assist me with material selection and the design of ceramic products?

A:Absolutely. Our technical team possesses profound knowledge of ceramic materials and extensive experience in product design. We are happy to provide you with material selection advice and product design support to ensure optimal performance for your products.

 

Q:Can I obtain a sample or purchase a small quantity of your products?

A:Yes, of course. We understand that customers often need to test and evaluate products before making a decision. You can contact us to request a sample or purchase a small quantity for further testing and evaluation.

 

Q:Do you have a minimum order value requirement?

A:We do not have a fixed minimum order value requirement. We always focus on meeting our customers' needs, and we strive to provide quality service and products regardless of the order size.

 

Q:Do you offer international shipping services?

A:Yes, we do. No matter where you are located globally, we can ensure the safe and timely delivery of your order.

 

Q:How long will it take for you to provide me with a quotation?

A:Typically, we provide an initial quotation within 24 hours of receiving your detailed requirements. For more complex or customized requests, we may need additional time for a detailed assessment and quotation. We will contact you as soon as possible to ensure you receive the required information in a timely manner.

 

Q:I need fast delivery. Can you fulfill my request?

A:Our production lines are highly flexible and efficient, and we arrange production through an online order management system. Therefore, we are capable of providing fast and reliable delivery to all our customers. Please let us know your specific requirements, and we will do our utmost to meet your delivery timeline.

 

Q:Besides ceramic products, what additional services do you offer?

A:In addition to ceramic products, we also provide a range of additional services, including but not limited to: customized ceramic processing services based on your needs, using blanks or semi-finished blanks produced by yourself; if you are interested in outsourced ceramic packaging and metallization services, please contact us for further discussion. We are always committed to providing you with a one-stop solution to meet your various needs.

 

Q:what is alumina
A:Alumina is a stable oxide of aluminum, the chemical formula is Al2O3. At room temperature is colorless, tasteless and insoluble in water white solid, melting point is 2054℃, boiling point is 2980℃.

 

Q:what's the chemical name for Al2O3?
A:Chemical name of Al2O3 is aluminum oxide.

 

Q:Is alumina conductive?
A:No, the resistance is very high, between 1*1014 to 1*1016 Ω*cm

 

 

Q:Al2O3 is covalent or ionic?
A:Ionic crystal

 

Q:What's the structure of alumina?
A:Al2O3 has many homogeneous crystals, there are more than 10 known and mainly 3 crystal types, namely α-Al2O3, β-Al2O3, γ-Al2O3, all of them with hexagonal crystal structure. It is almost completely converted into α-Al2O3 at high temperatures above 1300℃, therefore after high temperature sintering, alumina ceramic only has α-Al2O3 crystal structure. 

 

Q:What's the uses of al2o3?
A:It can be used to manufacture mechanical parts, substrates, heat exchangers, anti-corrosion tubes, etc. 

 

Q:What's the al2o3 oxidation number?
A:Oxidation number of Al2O3 is +3.

 

Q:What's the alumina formula?
A:Alumina formula is Al2O3

 

Q:what's the al2o3 molecular weight?
A:Molecular weight of Al2O3 is 101.96g/mol.

 

Q:aluminum vs alumina
A:Aluminum is metal, and alumina is its oxide. 

 

Q:zirconium oxide vs aluminum oxide
A:Zirconium oxide is another type of advanced ceramic, physical and chemical properties of them are close, zirconium oxide has higher density and better toughness, also the cost is higher. 

 

Q:ceramic alumina vs aluminum oxide
A:Alumina ceramic is a ceramic structure product formed after the forming and sintering of aluminum oxide powder, aluminum oxide is an oxide of aluminum, usually a white powdery solid.

 

Q:what is zirconia used for?
A:Zirconia can be used to produce various mechincal parts, grinding media, oxygen sensor, gauge, etc.

 

Q:is zirconia a metal?
A:No, it a kind of ceramic material.

 

Q:what is zirconia?
A:Zirconia is stable oxide of zirconium oxide, the chemical formula isZrO2. At room temperature is white, tasteless and insoluble in water white solid, melting point is 2700℃, boiling point is 4300℃.

 

Q:ceramic vs zirconia
A:Zirconia is a kind of ceramic.

 

Q:zirconium vs zirconia
A:Zirconium is metal, and zirconia is its oxide.

 

Q:what zirconia properties are?
A:It is a white odorless, tasteless crystal, insoluble in water, hydrochloric acid or  dilute sulfuric acid. The chemical properties are not active, and it has the properties of high melting point, high resistivity, high refractive index and low thermal expansion coefficient.

 

Q:How to define zirconia?
A:Zirconia is defined according to the crystal structure.

 

Q:How many types of zirconia?
A:Zirconia has can be devided by three types according to the crystal structure, monoclinic crystal zirconia, tetragonal crystal zirconia and cubic crystal zirconia.

 

Q:what's the transformation toughened zirconia?
A:Phase transition toughening zirconia refers to the zirconia that increases toughness by changing the crystal phase structure, while maintaining other properties basically unchanged.

 

Q:What are zirconia phases?
A:There are mainly 3 types of crystal structure for zirconia, monoclinic crystal, tetragonal crystal and cubic crystal.

 

Q:silicon carbide usage
A:Silicon carbide can be used to produce various mechanical parts and machining tool, heating elements, protection tube, substrates, etc.

 

Q:what is silicon carbide
A:Silicon carbide is a kind of inorganic semiconductor material, molecular formula is SiC, almost does not exist in nature, by artificial synthesis, powder is mainly black or green, crystal is mainly black, melting point is 2700℃.

 

Q:SiC material properties
A:Silicon nitride ceramic has good chemical corrosion resistance, high strength, high hardness, good wear resistance, high temperature resistance, and small thermal expansion coefficient and friction coefficient.

 

Q:structure of sic
A:Silicon carbide crystal structure is divided into hexagonal or rhombohedral α-SiC and cubic β-SiC (called cubic silicon carbide), hexagonal α-SiC is the most common crystal form.

 

Q:hardness of sic
A:According to the different silicon carbide composition and sintering process, the hardness is slightly different, hardness of gas pressure sintering SiC is 15GPa, and the hardness of hot press sintering SiC can reach 16GPa.

 

Q:density of silicon carbide
A:The density of silicon carbide ceramic is between 3.05-3.3g/cm3, and there are differences between different types of silicon carbide ceramics

 

Q:thermal conductivity of silicon carbide
A:Different types of silicon carbide ceramic thermal conductivity difference is quite obvious, most types of thermal conductivity in 20-30W/(m*K), high thermal conductivity of silicon carbide up to 100W/(m*K).

 

Q:electrical conductivity of silicon carbide
A:Silicon carbide ceramic is semiconductor material, the electrical conductivity depends on its composition and preparation method, and will be significantly enhanced at high temperature condition.

 

Q:melting point of silicon carbide
A:The melting point of silicon carbide ceramics is about 2700°C at one atmospheric pressure.

 

Q:Is silicon nitride brittle?
A:No, silicon nitride has good toughness,  bending strengh can be up to 900MPa, similar to many kinds of alloy steel. 

 

Q:Is silicon nitride an advanced ceramic?
A:Yes, silicon nitride is a kind of advanced ceramics.

 

Q:Is silicon nitride insulating?
A:Silicon nitride has very good electrical insulation perforance, resistivity can be up to 1010Ω*cm.

 

Q:What are the benefits of silicon nitride?
A:Silicon nitride has similar strength as alloy steel, while the high temperature and corrosion resistance is much better, also with lighter weight and excellent electrical insulation. 

 

Q:What is silicon nitride used for?
A:Silicon nitride can be used to produce various mechanical parts and machining tool, bearing, grinding bead, heating elements, protection tube, substrates, etc.

 

Q:How conductive is silicon nitride?
A:Silicon nidtride has excellent electrical insulation, almost nonconductive.

 

Q:At what temperature does silicon nitride oxidize?
A:Oxidation temperature of silicon nitride is around 1400℃ in the air.

 

Q:What is aluminum nitride used in?
A:Aluminum nitride is used in semiconductor indutry, to produce high thermal conductivity substrate.

 

Q:Is aluminum nitride strong?
A:Strength of aluminum nitride is higher than aluminum, lower than silicon nitride.

 

Q:Is Aluminium nitride brittle?
A:Flexture strength of aluminum nitride is from 350 to 450MPa, not brittle.

 

Q:At what temperature is aluminum nitride formed?
A:Aluminum nitride is formed at room temperature (including tape casting for aluminum nitride substrate), and sintered at 1600-2000℃ high temperature.

 

Q:Is aluminum nitride a ceramic?
A:Yes, aluminum nitride is a kind of advanced ceramics.

 

Q:Does aluminum nitride conduct electricity?
A:No, aluminum nitride is non-conductive, electrical resistivity is higher than 1014Ω*cm. 

 

Q:Is aluminum nitride porous?
A:No, aluminum nitride ceramics have dense structure and few pores.

 

Q:How do you cut aluminum nitride sheets?
A:Aluminum nitride sheets is cut by laser cutting machine or water-jet cutting machine.

 

Q:What is the hardness of aluminum nitride?
A:Hardness of aluminum nitride is no less than 1100HV.

 

Q:What are the benefits of aluminum nitride?
A:Aluminum nitride has high thermal conductivity, high temperature resistance, good corrosion resistance, light weight, good thermal shock resistance and oxidation resistance.

 

Q:Is fused silica the same as quartz?
A:Fused silica is a kind of quartz, quartz also includes other kinds of material with silica as the main composition while applies different production method rather than fusing.

 

Q:What is the difference between UV fused silica and fused silica?
A:UV fused silica is a kind of special fused silica, it can block ultraviolet light with a wavelength less than 220nm, and the ultraviolet transmittance at 253.7nm is more than 70%, and the ultraviolet light of this wavelength has strong bactericidal power, so as to produce various bactericidal lamps.

 

Q:What is fused silica used for?
A:UFused silica is mainly used to produce various optical components, to get required light transmittance or blocking purpose.

 

Q:Is fused silica a ceramic?
A:Fused silica is a kind of glass rather than ceramic.

 

Q:What is fused silica made of?
A:Fused silica is made of high purity SiO2.

 

Q:What is the purity of fused quartz?
A:Usually purity of fused quartz is no less than 99.9%, otherwise the optical performane is not able to meet the requirements.

 

Q:What is natural fusion quartz?
A:Natural quartz is mined from nature, and its composition, pattern and color are different due to different mining places.

 

Q:What is fused quartz used for?
A:Fused quartz can be used to produce various instrument for semiconductor and solar cell production process, also to produce optical components.

 

Q:How strong is fused quartz?
A:Fused quartz is not very strong, with flexture strength less than 50MPa, and 1100MPa compressive strength.

 

Q:Is fused quartz transparent to UV light?
A:Yes, fused quartz has good light transmission for UV light, transmittance is higher than 80%.

 

 

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FAQ

Although our primary focus is on advanced ceramic materials such as alumina, zirconia, silicon carbide, silicon nitride, aluminum nitride, and quartz ceramics, we are always exploring new materials and technologies. If you have a specific material requirement, please contact us, and we will do our best to fulfill your needs or find suitable partners.

Absolutely. Our technical team possesses profound knowledge of ceramic materials and extensive experience in product design. We are happy to provide you with material selection advice and product design support to ensure optimal performance for your products.

We do not have a fixed minimum order value requirement. We always focus on meeting our customers' needs, and we strive to provide quality service and products regardless of the order size.

In addition to ceramic products, we also provide a range of additional services, including but not limited to: customized ceramic processing services based on your needs, using blanks or semi-finished blanks produced by yourself; if you are interested in outsourced ceramic packaging and metallization services, please contact us for further discussion. We are always committed to providing you with a one-stop solution to meet your various needs.

Yes, we do. No matter where you are located globally, we can ensure the safe and timely delivery of your order.

Send Your inquiry

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