We offer the high purity 99%min Boron Nitride(BN 99%)/Hexagonal Boron Nitride Powder Cas 10043-11-5, with different visions as follow:
|
Product Specification |
Purity % |
Hydrogen peroxide insoluble mater % |
Total oxygen content % |
Moisture % |
Granularity (D50) um |
Tap density, g/cm3 |
|
BN-B |
99 |
≤0.5 |
≤0.7 |
≤0.5 |
1 ~ 2 |
0.55 |
|
BN-C |
99 |
≤0.5 |
≤0.4 |
≤0.5 |
5 ~ 10 |
0.37 |
|
BN-E |
99 |
≤0.5 |
≤0.3 |
≤0.5 |
3 ~ 5 |
0.45 |
|
BN-N |
99 |
≤0.5 |
≤0.3 |
≤0.5 |
10 ~ 20 |
0.58 |
|
BN-S |
99 |
≤0.5 |
≤0.3 |
≤0.5 |
20 ~ 30 |
0.35 |
|
BN-SS |
99 |
≤0.5 |
≤0.2 |
≤0.5 |
30 ~ 40 |
0.36 |
NOTE: The above technical indicators only represent typical values for reference.
Product packaging: 1 kg/bag, aluminum foil bag packaging, 10 kg/carton (according clients request to mark label)
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 them, the 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/cm3, the specific gravity is2.43, and the Mohs hardness is 2.
Hexagonal boron nitride has good electrical insulation, thermal conductivity.chemical stability, no obvious melting point, 3000°C in 0.1MPA nitrogen, in a neutral reducing atmosphere, heat resistance to 2000°C, used in nitrogen and argon the temperature can reach 2800°C, the stability is poor in oxygen atmosphere, and the use temperature is below 1000°C. 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 capacity, stable chemical properties, and chemically inert to almost all molten metals.
Hexagonal boron nitride is insoluble in cold water. When water is boiled, it 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.
The various application field as:
|
Mold release agent for metal forming and lubricant for wire drawing |
Special under high temperature electrolysis, resistance materials |
Can be used for high temperature, high pressure, insulation and heat dissipation parts |
High temperature solid lubricant extrusion anti-wear additives |
|
Heat-sealing desiccant for transistor other polymer additives |
Aerospace heat shielding Material |
After high temperature and high pressure treatment, it can be transformed into cubic boron nitride as hard as diamond |
Atomic reactor materials f construction |
|
Suitable for aircraft rocket engine nozzle |
High voltage and high frequency electricity and etc.. ion arc insulator |
Metallurgical used for continuous cast steel separating ring |
All kinds of capacitor film aluminum plating |
|
All kinds of fresh-keeping aluminum packaging bags etc… |
Various laser anti-counterfeiting aluminum plating brand hot stamping material |
Used in cosmetic fillers |
Thermal enhancement additives high temperature resistant insulation material |
★Safety instructions: This product is industrial grade,inedible, safety masks and rubber gloves should be worn during operation.
Storage and transportation matters:
1. This product is non-flammable and non-explosive and can be stored and transported as general chemicals.
2. Store in a cool , dry place, prevent rain, moisture, and avoid eating by mistake
If you need to know some more informations of our Boron nitride, Please contact us freely by email info@theoremchem.com or Whatsapp/Wechat/ Telegram: +86 18321679576
Post time: Aug-08-2023