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99.99% high purity beta sic nano powders Our 4N nano β-SiC (99.99% purity) is precision-synthesized via CVD, delivering ultra-fine particle size with exceptional sintering activity for high-density ceramic components. It thrives in the most demanding semiconductor environments — from CMP chucks and lithography stages to plasma etch focus rings and chamber liners. Its chemical inertness and minimal metal impurity outgassing maximize chip yield where it matters most. Trusted by leading fabs and equipment makers worldwide. more
Monodisperse spherical Nano SiO₂ aqueous dispersion/colloid This transparent SiO₂ aqueous dispersion is synthesized via patented sol-gel technology, featuring optical excellence visible light transmittance and shelf life >18 months under ambient storage. It is widely used in electronics as low-k dielectric materials, in biomedicine as drug carriers, and in optics for anti-reflection coatings. more
Magnéli Phase Nano Titanium suboxide Ti₄O₇ Powder Magnéli phase Nano titanium suboxide (Ti₄O₇) is an advanced functional material with a unique crystal structure, appearing as a blue-black powder with a precisely controlled particle size of 200–300 nm and a purity of up to 99.9%. As an important member of the titanium oxide family, Ti₄O₇ combines excellent electrical conductivity, chemical stability, and catalytic activity, making it an ideal choice for new energy, environmental protection, and electronics applications. more
Boron Nitride Nanotubes(BNNTs): High Thermal Conductivity Heat Dissipation Fillers BNNTs share the tubular structure of carbon nanotubes but deliver fundamentally different properties: electrical insulation, superior thermal stability (up to 900°C in air), and high thermal conductivity. With a wide bandgap of ~5.5 eV, they offer consistent, predictable performance where CNTs fall short. more
Phase-Smart VO₂ Nanoparticles: Intelligent Thermal Response, Engineered to Order From Thermochromic Color Change material to Intelligent Temperature Control material: The Performance Revolution and Application Blueprint of Vanadium Dioxide and Tungsten-Doped VO2 more
Precision Ceramic 3D Printing Solutions turns impossible structures into reality Precision Ceramic 3D Printing Solutions – Redefining the boundaries of ceramic manufacturing, from dental restorations to aerospace-grade high-temperature components.Precision ceramic 3D printing turns impossible structures into reality. more
New conductive material nickel nanowires NiNWs Hongwu Nickel nanowires have a wide range of potential applications in electronic materials, catalysis, polymers, magnetic storage ultra-high density recording materials, sensors and self-lubricating materials. more
Transparent Colloidal Ag Antibacterial Nano Silver Colloid Ag (Antibacterial Nano Silver Colloid) has been well known antibacterial, antiviral and antifungal properties are enhanced by small particle size and large surface area. more
Nano silica particles used in epoxy resin, superhydrophobic coating nano silica powder Nano silica particles, 20-30nm, 99.8% purity, widely used in exposy resin and superhydrophobic coating. more
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Some nanomaterials for Thermochromic Application
Thermochromism refers to the phenomenon where a material undergoes color changes under temperature changes. This change is usually caused by changes in the electronic or molecular structure of the material. Its application principle mainly involves t...
Hongwu International Group Ltd supply 500nm and 1-3um with 99%purity. B4C superfine powders for ceramic have good properties and used in various fields.
product origin:
Xuzhou, Jiangsuitem no.:
K520shipping port:
Shanghai, Guangzhou, Beijingcolor:
Greylead time:
in stockpayment:
T/T, Paypal, western unionSuperfine Boron Carbide Powder Used in Ceramic 500nm B4C Particle
Specification of Boron Carbide powder:
MF: B4C
Particle size: 500nm, 1-3um
Purity: 99%
Color: grey
Other carbide powders: SiC, TiC, WC, WC-Co

Properties of B4C ultrafine powder:
Boron carbide is a superhard material with hardness second only to diamond and cubic boron nitride. It has good chemical stability and neutron absorption capacity.
Boron carbide superfine powder used for ceramic is an important wear-resistant and high-hardness structural ceramic material in new ceramics. It has excellent properties of high melting point, ultra high hardness, low density, wear resistance and corrosion resistance. It has broad development and application prospectsin in defense, nuclear energy, aerospace, machinery, wear-resistant technology and other fields. At the same time, boron carbide ceramics have the characteristics of strong neutron absorption capacity and wide absorption energy spectrum. Boron carbide superfine powder can also be used to manufacture nuclear reactor core components.
Advantages and application fields of superfine B4C powder for ceramics:
Advantages:
Low density, high hardness, high modulus of elasticity, corrosion resistance, wear resistance, good neutron absorption performance, and good high temperature semiconductor properties, which are widely used in defense, nuclear energy and wear resistance technologies.
Application fields:
1. Bulletproof armor field
2. Wear-resistant technology field
3. Nuclear energy field
4. Thermocouple
About us - Hongwu International Group Ltd
Hongwu International Group Ltd, with brand HW NANO started since 2002. We are the world leading nano materials producer and provider. Our high-tech enterprise focuses on research and development of nano materials, surface modification and dispersion.
Reply on advanced technology and work with many universities, scientific research institutes at home and abroad, on the basis of existing products and services, innovative production technology research and development of new products, we've built a multi-disciplinary team of engineers with backgrounds in chemistry, physics and engineering, and committed to providing top quality nanoparticles. We're always looking for ways to better our business and improve our product lines to meet the changing customers' demands.
Our main aim is on the nanometer scale particles. We stock a wide range of particle sizes from10nm to 10um, and offer customized service in adjusting particle size, SSA, surface modification, dispersion, etc. Our products are divided six series including hundreds of varieties: the elementals, the alloys, the compounds, the oxides, carbon series, and nanowires,even nano sheets...

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