Nano gold colloids with good stability

Our client said Nano colloidal gold and gold nanoparticles of Hongwu are unrivaled – we found that your company the best that we could work with.”

Colloid gold solution possesses unique properties such as good optical characteristics, biocompatibility, and catalytic activity. 

Titanium dioxide plays an important role in the future of rechargeable  batteries.

    Nano-magnesia is a white, odorless, non-toxic powder with a small particle size and a large specific surface area. It has different optical, electrical, magnetic and chemical properties than magnesium oxide, and has high hardness, high purity and high melting point.Nano-magnesia is widely used in electronics, catalysis, ceramics, oils, coatings and other fields.

Copper is the basis of functional powder material of high-tech and high value-added, but also one of the fastest developing areas of materials hot products.

Hongwu International Group Ltd supply customized service for modified carbon nanotubes to achieve better properties. Besides Amino Functionalized Carbon Nanotubes(MWCNT-NH2), carboxylation and hydroxylation are also available.

Water soluble nano ATO powders has good electric conductivity.

Silicon nano technology reforming graphite cathode lithium batteries       Cathode technology of the existing lithium batteries has reached the limit. In order to meet the needs of a new generation of energy, the development of new cathode technology of lithium batteries is imminent. Silicon cathode, with the ultra-high specific capacity and rich reserves, has become one of the most representative new technology.     Compared to the traditional graphite cathode, a major obstacle to the Silicon cathode technology on the road of industrialization is that low gel content cause unsatisfactory effect of electrode mixing.     On account of this, some researchers integrated graphite cathode technology and Silicon nano technology and have developed a new and can be mass-produced C- nano Si- graphite composite cathode materials. During the lithiation process, Si nanoshells can be expanded as the volume change. No matter nano-Si hollow shell in the graphite , or a nano-Si intermediate layer between the graphite and carbon, it can keep the shape intact and not be broken or left over between Si and graphite. This special structure, on the one hand to ensure compatibility between the Si and natural graphite, on the other hand avoid the severe side effects caused by traditional mechanical mixing graphite powder and residual Silicon particles.     Silicon Nano Powder is generally immediately available here with particle size 30-50nm,100-200nm,300-500nm,1um. Chinese Hongwu International Group LTD with HW NANO brand can produce most materials in high purity forms and ultrafine particle size. We can also produce materials to custom specifications by request, in addition to custom compositions for commercial and research applications and new proprietary technologies. Typical and custom packaging is available, can provide related data including SEM,TEM,COA,MSDS. Please contact us at hwnano@xuzhounano.com above for information on specifications, lead time and pricing. by Corrine

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.

Hongwu International Group Ltd produces tungsten oxide nanopowder with 50nm size, 99.9%purity in yellow, blue and purple color. Hongwu Nano, nano materials expert since 2002.

Single layer carbon nanohorn is widely used for catalyst carrier and drugs carrier.

Silicon Carbide nano particle dosage influencing on composite friction performance       For Silicon carbide nano particle is with Moh’s hardness about 9.2 which is a hard material. With its hardness, SiC nano powder is suitable to be additive for composite material and improve their toughened and strengthened.        For SiC nano additive has different influence to the relative density, hardness, electrical conductivity and friction and wear properties of the composites. Generally the relative density of the composites decreased with the increase of the content of nano SiC particles. The hardness of the composites increased with the increase of the content of SiC nano particles, but when the nano  SiC particles agglomerated, the hardness increased . However the content of silicon carbide nano powder affect to the conductivity of material is opposite. When the content of  SiC nano particle increase the conductivity of the composite decreases. According to some study when the content of SiC particles is about 0.5% -3%, the wear rate of the composites decreases with the increase of SiC content. When the SiC content is more than 3%, the wear rate of the composites increased with the increase of the content of  SiC nano-particles. The abrasive wear and the friction coefficient decreased with the increase of the SiC content. We provide our customers:   High quality silicon carbide particles(50nm,100nm,500nm,1um,5um,7um,10um,15um)   Volume pricing   Reliable service   Technical assistance Our products are all available with small quantity for researchers and bulk order for industry groups.  If you have any questions, please feel free to contact us. thank you. by Lyla