Boron nitride production process

The physical and chemical properties of boron nitride

Material properties

CBN is usually black, brown or dark red crystals with a zinc blende structure with good thermal conductivity. Hardness is second only to diamond, it is a super hard material, often used as tool materials and abrasives.

Boron nitride has chemical resistance properties and is not corroded by inorganic acids and water. The boron-nitrogen bond is broken in the hot concentrated alkali. Above 1200℃, it will start to oxidize in the air. It begins to decompose at about 2700°C under vacuum. Slightly soluble in hot acid, insoluble in cold water, relative density 2.29. The compressive strength is 170MPa. The maximum operating temperature is 900°C in an oxidizing atmosphere, and it can reach 2800°C in an inactive reducing atmosphere, but the lubrication performance is poor at room temperature. Most of the properties of boron nitride are better than carbon materials. For hexagonal boron nitride: low friction coefficient, good high temperature stability, good thermal shock resistance, high strength, high thermal conductivity, low expansion coefficient, high resistivity, corrosion resistance, microwave or transparent Infrared.

Material structure

Hexagonal boron nitride crystals, the most common is graphite lattice, there are also amorphous variants, in addition to the hexagonal crystal form, boron nitride has other crystal forms, including: rhombohedral boron nitride (r-BN), cubic Boron nitride (c-BN), wurtzite type boron nitride (w-BN). People have even discovered two-dimensional boron nitride crystals like graphene.

Boron nitride production process

The boron nitride that is usually produced has a graphite-type structure, commonly known as white graphite. The other is diamond type, similar to the principle of converting graphite to diamond, graphite type boron nitride can be transformed into diamond type boron nitride under high temperature (1800℃) and high pressure (8000Mpa) [5~18GPa]. It is a new type of high temperature resistant superhard material, used to make drill bits, abrasive tools and cutting tools.

Overview of Boron Nitride Powder

Hexagonal boron nitride is used as an oil additive to enhance the anti-friction and anti-wear properties of lubricating oil and improve the friction and lubrication properties of the base oil. All organic solvents and corrosive substances. At the same time, boron nitride is white and non-toxic.

Application of boron nitride powder

1. Metal forming mold release agent and metal wire drawing lubricant.

2. High-temperature solid lubricants, extrusion anti-wear additives, ceramic composite materials production additives, refractory materials and antioxidant additives, especially suitable for corrosion-resistant molten metal occasions, heat-resistant additives, high-temperature insulation materials.

3. Metallurgical continuous casting steel isolation ring, amorphous iron launder, continuous casting aluminum mold release agent (various optical glass mold release agents)

4. The filler used in cosmetics for lipstick is non-toxic, lubricious and shiny.

5. It can be used as an additive for lubricating oil, because boron nitride itself has good lubricity and meets the needs of lubricating oil. As an additive for lubricating oil, boron nitride has some other advantages.

6. Boron nitride powder has many functions and is an additive for many materials. Boron nitride is widely used in many industries such as chemical industry, textile, aerospace and so on.

Price of Boron Nitride Powder

The price of boron nitride hexagonal boron nitride powder boron nitride lubricants will vary randomly with the production cost, transportation cost, international situation, and changes in the market supply and demand of boron nitride hexagonal boron nitride powder boron nitride lubricants. Tianki New Materials Co., Ltd. aims to help various industries and chemical wholesalers find high-quality, low-cost nanomaterials and chemicals by providing a full set of customized services. If you are looking for boron nitride hexagonal boron nitride boron nitride powder boron nitride lubricant, please feel free to send an inquiry to get the latest price of boron nitride products.

Suppliers of Boron Nitride Powder:

A supplier of boron nitride hexagonal boron nitride powder and boron nitride lubricant, Tanki New Materials Co., Ltd. has extensive experience in the performance, application and cost-effective manufacturing of advanced engineering materials. The company has successfully developed a series of powder materials (the best engine oil additives nano diamond, lithium stearate, nano copper and nano oil additives) high purity targets, functional ceramics and structural devices, and provide OEM services.