Boron nitride

Description

Name:Boron nitride;    
Chemical composition:3.6% of boron and *6.4% of nitrogen;
Four variants:six square boron nitride(HBN),rhombohedral boron nitride(RBN),cubic boron nitride(CBN),wurtzite boron nitride(WBN);
CAS:*********5;
EINECS:********6;
Chemical formula:BN;
Molecular weight:*4.***7ï¼›
Molar mass:*4.*2g/mol;
Solubility: insoluble in cold water, slightly soluble in hot acid;
Relative density:2.*5;
Characteristic:the coefficient of friction is very low,high temperature stability,good heat shock resistance,high intensity,high thermal conductivity,low expansion coefficient,large resistivity,corrosion resistance,through microwave or through infrared radiation;
Application:
1. Metal forming release agents and lubricants for metal wiredrawing;
2. Special electrolysis and resistance materials at high temperature;
3. High temperature solid lubricants,extruding antiwear additive,additives for the production of ceramic composites,refractories and antioxidant additives,especially for molten metal corrosion,heat enhancement additive,high temperature resistant insulating material;
4. Heat sealing desiccant for transistors,additives for polymers such as plastic resins;
5. Suppress various shapes boron nitride products,can be used for high temperature, high pressure, insulation, and heat dissipation components;
6. Thermal shielding materials in aerospace;
7. Under the participation of the catalyst,it can be transformed into cubic boron nitride, such as diamond, after high temperature and high pressure treatment;
8. Structural materials for atomic reactors;
9. The nozzle of an aircraft and rocket engine;
*0. High voltage high frequency electric and plasma arc insulators;
*1. Packaging materials to prevent neutron radiation;
*2. Super hard materials made from boron nitride,it can be made into high-speed cutting tools and drill bits for geological exploration and oil drilling;
*3. Metallurgical separation ring for continuous cast steel,flow channel of amorphous iron,demoulding agent for continuous casting aluminum(various optical glass stripping agents);
*4. Producing all kinds of evaporator boats, such as capacitor, thin film, aluminum, picture tube, aluminum and so on;
*5. All kinds of preservative aluminum coating bags, etc;
*6. Various kinds of laser anti-counterfeiting aluminum plating,trademark hot stamping material,aluminizing for all kinds of cigarette, beer labels, packaging boxes, cigarette packing box,etc;
*7. Cosmetics used for lipsticks are nontoxic, lubricated and glossy.