99% Pure Hexagonal Boron Nitride Powder Nano Thermal Industrial Ceramic Processing Service Available
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Product Highlights
- High Thermal Conductivity: Excellent thermal conductivity with low dielectric constant for efficient heat dissipation.
- Excellent Electrical Insulation: Provides strong electrical insulation while maintaining high thermal conductivity properties.
- High Purity Grade: 99% pure hexagonal boron nitride powder with tight size distribution and low oxygen content.
- Chemical Inertness: Resistant to molten metals, acids, alkalis, and organic solvents with stable chemical properties.
- Self-Lubricity: Acts as an excellent high-temperature solid lubricant with good wear resistance and low friction.
- Customizable Particle Size: Available in various particle sizes from 1-40um, including specific 6-8um options for thermal grease.
Product Attributes
- Customization
- Available
- Application
- Thermal Condictive Materials
- Type
- Ceramic Raw Materials
- Model NO.
- SY-HBN
- Particle Size
- 6-8um
- Material
- Boron Nitride
- Purity
- 99%
- Usage
- Thermal Condictive and Grease Additive
- MOQ
- 1kg
- Appearance
- White Powder
- Transport Package
- Drum
- Specification
- 10kgs
- Trademark
- SUOYI
- Origin
- China, Hebei
- HS Code
- 2850001900
- Production Capacity
- 800t
- Package Size
- 10.00cm * 10.00cm * 10.00cm
- Package Gross Weight
- 1.500kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
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- Payment Guarantee
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- Clearer shipment tracking with platform-supported logistics.
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- Optional pre-shipment inspection for quality and quantity checks.
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- Platform-assisted dispute resolution, including refunds or returns when applicable.
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Product Description
Physical and chemical properties
Appearance: White powder
CAS RN:10043-11-5
Crystal shape: Platelets
Crystal type: Hexagonal.
Molecular formula: BN
Melting point: 3000°C (stable in inert gas)
Mohs's hardness: 1-2.
Density (Theoretical): 2.29 g/cm3
Solubility: Slightly soluble in hot acid, insoluble in cold water
Boron Nitride crystal structure similar to graphite layered structure, showing loose, smooth, easy to absorb moisture, light, and other traits of the white powder, the so called "white graphite."
Boron Nitride insoluble in water, when water boils hydrolyzed very slowly and produce a small amount of boric acid and nitrogen; and weak acids and bases are not at room temperature.
| Product Name | Boron Nitride |
| CAS No | 10043-11-5 |
| Appearance | White powder |
| Specification | 99% |


Product features:Tight size distribution
Good electrical insulation,
High thermal conductivity
Chemical resistance
Self-lubricity
Good neutron absorption properties
Low dielectric constant.
Stable in all organic solvents,corosivechemicals and molten metals.
Constant performance in air below 1000°C ,stable at 3000°C in nitrogen or argon.
Boron nitride is a crystal composed of nitrogen atoms and boron atoms.The crystal structure is divided into: hexagonal boron nitride(HBN),close-packed hexagonal boron nitride(WBN) and cubic boron nitride.Among themthe crystal of hexagonal boron nitride
The structure has a layered structure similar to graphite showing loose,lubricating,moisture-absorbing, and light-weight white powder so it is also called "white graphite".The theoretical density is 2.27g/cm3the specific gravity is 2.43,and the Mohs hardness is 2.
Hexagonal boron nitride has good electrical insulationthermal conductivity,chemical stability, no obvious melting point,3000C in 0.1MPA nitrogen in a neutralreducing atmosphere, heat resistance to 2000ºCused in nitrogen and argon The temperature can reach 2800ºC,the stability is poor in oxygen atmosphere,and the use temperature is below 1000C.The expansion coefficient of hexagonal boron nitride is equivalent to that of quartz, but the thermal conductivity is ten times that of quartz. It also has good lubricity at high temperatures. It is an excellent high-temperature solid lubricant with strong neutron absorption capacitystable chemical properties, and chemically inert to almost all molten metals.
Hexagonal boron nitride is insoluble in cold water.When water is boiledit hydrolyzes very slowly and produces a small amount of boric acid and ammonia.It does not react with weak acids and strong bases at room temperature.It is slightly soluble in hot acid.Use molten sodium hydroxide and potassium hydroxide. Processing can be decomposed.
It has considerable corrosion resistance to various inorganic acids, alkalis, salt solutions and organic solvents


Boron Nitride Powder Applications
Release agents suitable for metal forming and lubricants for metal wire drawing
Suitable for high-temperature solid lubricants, extrusion anti-wear additives, and antioxidant additives for refractory materials
Suitable for thermal shielding materials
The principle of producing cubic boron nitride
Heat sealing desiccants suitable for transistors and additives for polymers such as plastic resins
| Appearance | Powder |
| Color | White |
| Particle | Size 1-40um |
| Purity | 99% Hbn Boron Nitride |
| Density | 0.9-1.1 G/Ml at 25 °c |
| pH | 5-8 (100g/L, H2O, 20ºC)(Slurry) |
| Melting Point | Sublimes SL Below 3000 |
| Water Solubility | Soluble in Water |
| Oxygen | <0.022%-0.1% |
| Metallic | <0.2% |
| Carbon | 0.05% |
| Technology | High Frequency Plasma Method |
| Transport Package | Air Freight Safety Packing |
| Origin | China |
| HS Code | 2850000090 |
| Production Capacity | 50000tons Per Month |
Our strengths
Adopting the internationally advanced melamine method and undergoing high-temperature sintering at 2000 degrees, the material crystallizes well, has high purity, and stable quality. It can be widely used in refractory materials, ceramic die-casting, lubrication demolding, thermal addition and other fields.
1. Boron nitride powder and its boron nitride ceramic products, boron nitride wax rods, boron nitride coatings.
3. Aluminum nitride powder and aluminum nitride ceramic products.
Our company has developed various boron nitride based ceramic products, which are widely used in the manufacturing of amorphous alloy strips, ultra-high temperature furnace manufacturing, steel casting industry, semiconductor, microelectronics and other industries.
|
Item
|
BN, %(m/m)
|
B2O3, %(m/m)
|
Particle size(D50), μm
|
Appearance
|
|
H-BN-1
|
≥98.5
|
≤0.5
|
≤4
|
White powder
|
|
H-BN-2
|
≥98.5
|
≤0.5
|
3-5
|
|
|
H-BN-3
|
≥98.5
|
≤0.5
|
5-7
|
|
|
H-BN-99
|
≥99.0
|
≤0.3
|
8-12
|
|
|
H-BN-991
|
≥99.0
|
≤0.3
|
13-16
|
|
|
H-BN-992
|
≥99.0
|
≤0.3
|
17-22
|
|
|
H-BN-993
|
≥99.0
|
≤0.3
|
23-26
|
|
|
H-BN-994
|
≥99.0
|
≤0.3
|
≥27
|
|
|
H-BN-995
|
≥99.0
|
≤0.3
|
Test value
|
1. Release agent for metal forming and lubricant for metal wire drawing.
2. Special electrolytic and resistance materials in high temperature state.
3. High-temperature solid lubricants, extrusion anti-wear additives, additives for the production of ceramic composite materials, refractory materials and anti-oxidation additives, especially in the case of anti-corrosion of molten metal, heat-enhancing additives, high-temperature-resistant insulating materials.
4. Heat-sealing desiccant for transistors and additives for polymers such as plastic resins.
5. Pressed into various shapes of boron nitride products, can be used as high temperature, high pressure, insulation, heat dissipation parts.
6. Heat shielding materials in aerospace.
7. With the participation of catalyst, it can be converted into cubic boron nitride as hard as diamond after high temperature and high pressure treatment.
8. Structural materials for atomic reactors.
9. The nozzles of aircraft and rocket engines.
10. Insulators for high-voltage high-frequency electricity and plasma arcs.
11. Packaging materials to prevent neutron radiation.
12. The superhard material processed by boron nitride can be made into high-speed cutting tools and drill bits for geological exploration and oil drilling.
| Name | Boron Nitride |
| Formula | BN |
| Appearance | white powder |
| CAS NO. | 10043-11-5 |
| EINECS NO. | 233-136-6 |
| HS Code | 2850001900 |
| Purity | 99% |
| Particle size | 6-8um |
| Application | Grease additive and Thermal condictive materials |
| Package | Drum/Barrel 10KGS |
| Origin | Hebei,China |
English alias: Boron nitride off white powder
CAS : 10043-11-5
Molecular formula: BN
Molecular weight: 24.81
Melting point: 3000ºC(stable in the inert atmosphere)
Mohs′ hardness: 1-2.
Density: 2.29g/cm3
Solubility: Insoluble in water, slightly soluble in hot acid.
Properties: Hexa-boron nitride has excellent electrical properties of electrical insulating, thermal conductivity, corrosion resistance and good lubrication. It has the strong ability of neutron absorption. With chemical properties of stability, it has corrosion resistance to various inorganic acids, alkali, salt solutions and organic solvents. So does all melting metals. Physical and chemical properties unchanged under 1000ºC. The temperature can reach 3000ºC when used in nitrogen and argon. H-type hexa-boron nitride powder is autoclaved to become white block, and easy to processing. Heat resistance temperature reaches 2000ºC.
Application H-BN: It has excellent heat resistance and oxidation resistance. Its original particle size is small, reunion size is large. With spherical particle, it has been used as filler, the releasing agent for casting forming and injection molding.
The properties of products reach or approach advanced international standards. As the particle size is uniform closed to polytetrafluoroethylene, it has been used in the ejector of high-voltage switch. With excellent thermal conductivity, it has been used in thermal conductive plastics and rubbers. With low oxygen levels (<0.5%), it has been used to prepare the special ceramic materials.
High crystallinity. It is epigranular. High-purity H-BN has excellent properties of heat conductivity, insulation, lubrication, high temperature resistance and molten metal resistance. It has been use at the top field, include maquillage and heat conductive material.
Safety instructions: With the physical inert of boron nitrid, but it is toxic by ingestion, inhalation, eye and skin contact. Skin, respiratory system, liver, kidney and the circulatory system may be abnormal by swallow and inhalation. Eye and skin contact can cause inflammation. Operation must be installed with rubber gloves, a respirator and eye protection by wearing protective clothing.
Boron carbide, also known as black diamond, is an inorganic substance with the chemical formula BC, usually a gray-black micropowder. It is one of the three hardest known materials (after diamond and cubic boron nitride) and is used in tank armor, body armor and many industrial applications. It has a Mohs hardness of about 9.5.
Boron carbide can absorb a large number of neutrons without forming any radioisotopes, so it is an ideal neutron absorber in nuclear power plants, and neutron absorbers mainly control the rate of nuclear fission. Boron carbide is mainly made into controllable rods in nuclear reactors, but sometimes it is made into powder to increase the surface area.
Because of its low density, high strength, high temperature stability and good chemical stability. It is used in wear-resistant materials, ceramic reinforced phases, especially in lightweight armor, reactor neutron absorbers, etc. In addition, compared with diamond and cubic boron nitride, boron carbide is easy to manufacture and low in cost, so it is more widely used. It can replace expensive diamond in some places and is commonly used in grinding, grinding, drilling, etc. applications.
1. Boron Nitride has a variety of excellent properties and is widely used in high-voltage and high-frequency electricity and plasma arc insulators. It can be widely used in the chemical industry, textile industry, aerospace technology and other cutting-edge industrial sectors.
2. Boron Nitride is transformed into cubes, and the powdery can be transformed into fibrous shape, making it more versatile. It can be used as a superhard material for electrical insulators, antenna windows, protective clothing, and return to the atmosphere. Parachutes and nozzle nose cones.
3. Boron Nitride has good thermal stability, wear resistance and strong chemical stability, it can be used as a temperature sensor cover to manufacture high-temperature objects.
Suoyi New Material Technology Company is strategically located in Handan,which is a 3,000 years historical and cultural city locating in southwest of Hebei Province of China, adjacent to Shanxi and Henan province having convenient traffic condition. Relying on the local abundant resources as well as the industry cluster advantage, Suoyi commits itself to research and develop advanced rare earth materials.
Suoyi New Material Technology Company now has fixed assets over 200 million RMB yuan. The company has more than 184 employees among them about 80 technicians. Total production facility occupies more than 24000 m2 with four modern production lines of producing high purity rare earth oxides, rare earth salts and composites, rare earth metals & alloys as well as NdFeB magnets.
Products include full range of rare earth oxides, fluorides, acetates, nitrates, sulfates, metals & alloys with purity
99-99.9999%. Fine powder include Micronized, Sub-micron, Deep-submicron and nano particles. We also developed the application products like high performance NdFeB rare earth permanent magnets, high precision rare earth glass polishing powder and high grade synthetic additives for resins. Suoyi can customize the non-standardized materials according to customer's special requirements and is enthusiastic to provide the complete materials solution.
Products are used for metallurgy glass & ceramics,energy saving, spray coating, SOFC, biomedicines, photovoltaic power generation electronic engineering, aerospace, polishing materials, grinding media . Our customers are all over the world.
Suoyi combines the business achievement, social responsibility and environment protection together. Through technology development and innovation, Suoyi better serves customers' increasing demand for high function and value-added materials.
Suoyi aims to be the world leading rare earth materials company, accompanying you exploring the mysteries of rare earth elements. The slogan 'Discover Rare Earth, You+Me'encourages us to explore and create new values of rare earth. Simultaneously, Suoyi continues to establish itself internationally a world class brand.
Suoyi strives to provide the best answers and solution to its customers about rare earth.

1. If it is found that the company sells fake goods, compensation will be USD10000
2. If it is found that the company has reduced the quality of sales, a full refund
3. If you become a customer of our company, we provide technical support
4. All inquiries will be replied within 5 minutes, and solutions will be given within 2 hours
5. We promise to protect the privacy of every customer in an all-round way
6. We promise that every sales manager has more than three years of experience in the industry and sincerely serves every customer
7. In-stock products will be dispatched within 3 days
8. We promise that every order will be strictly inspected before delivery, and will be issued after













About the Supplier
This supplier has been audited by TÜV Rheinland. Verify the report on the official TÜV Rheinland website with ID "MIC-ASI226037". Items marked "" are certified.
Company Profile
Hebei Suoyi New Material Technology Co., Ltd. Was established in 2012. It is a company dedicated to integrating the highest quality, most comprehensive and stable chemical advanced materials for customers. Soy has a complete supplier system in 145 cities in China. Cooperate with 19 rare earth salt companies and 22 China's top 50 zirconium salt companies.
Suoyi's experienced supplier system can deliver more than 1, 500 customized materials, mainly involving 195 rare earth oxides, 45 rare earth fluorides, 145 zirconium salts and 358 aluminum salts. Application: Spraying industry, biomedicine, optical glass, artificial gemstone, new energy, automobile industry, petroleum industry, ceramic industry, electronics industry, agriculture, food and other fields. Products are exported to Europe, America, Asia and other countries, and have cooperated with well-known Japanese and Korean companies for more than 10 years.
Since its establishment, Suoyi has been adhering to the business philosophy of "integrity, cooperation, innovation, and win-win", with the purpose of "market-oriented, customer-centric, and customized services" to provide customers with high-quality products and first-class Serve. Suoyi is willing to provide you with customized products and services as well as excellent solutions.
Suoyi is a one-stop solution provider for advanced ceramic materials.
Through Soyi, we can provide you with a variety of unique ceramic materials that can improve and expand the performance of your product system or process.
No matter whether you need extremely high temperature stability, extremely hard wear-resistant, extremely corrosion resistant, extremely heat-resistant conductive ceramics, please do not hesitate to contact us.
We will promise to provide significant cost control and performance advantages over traditional materials. Suoyi's 10 years of industry experience can solve your problems, such as poor material diversity for procurement, limited material quantity for purchase, short material delivery time, unfamiliarity with international trade processes, and concerns about poor supplier credit.
Suoyi is established by technical engineers with over 20 years of experience in the material industry and ceramic manufacturing. Our mission is to solve customers' demand for advanced ceramic materials in a one-stop manner.
We hope to utilize our material advantages in the future, reduce your costs, and increase your market share.
About Our Factory & Business Background
-
Business Type
- Trading Company
- Address
- Room 606, Huaxiang Commercial Building, 378 North Zhonghua Street, Congtai District, Handan, Hebei, China
-
Plant Area
- 125 square meters
-
Number of Employees
- 23
-
Registered Capital
- 10,000,000 RMB
- Terms of Payment
- LC, T/T, PayPal, Western Union, Small-amount payment, Money Gram, cash,Union pay
- International Commercial Terms(Incoterms)
- FOB, EXW, CFR, CIF
- Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays - Nearest Port
- Tianjin, Qingdao, Shanghai
Our Production Capability & Technical Expertise
-
Main Products
- Rare Earth, Zirconium, Aluminum Oxide, Nano Materials
-
R&D Engineers
- 2 people
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2014-12-04
- Export Year
- 2014-11-01
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
FAQ
- What is the purity of the Boron Nitride powder?
- The product offers 99% purity hexagonal boron nitride powder, with specific grades available up to 99.0% purity.
- What are the main applications of this Boron Nitride powder?
- It is widely used in thermal conductive materials, grease additives, high-temperature solid lubricants, refractory materials, and nuclear neutron absorbers.
- What is the minimum order quantity (MOQ)?
- The minimum order quantity is 1kg.
- Is the particle size customizable?
- Yes, particle sizes range from 1-40um, with specific options like 6-8um available for thermal conductive grease applications.
- How is the product packaged and shipped?
- It is packaged in drums or barrels (e.g., 10KGS) and shipped via air freight with safety packing.
- What is the lead time for orders?
- Peak season and off-season lead times are both within 15 workdays.
- What payment terms are accepted?
- We accept LC, T/T, PayPal, Western Union, Small-amount payment, Money Gram, cash, and Union pay.
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