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. 

Single-Walled Carbon Nanotube with the unique electrical, mechanical properties and chemical stability performance which use to manufacturing the field emission devices etc.

Silicon nanopowders sepcification: 30-50nm 99%+, brown yellow, good spherical 100-200nm 99.9%+,brown black, irregular crystal form 300-500nm 99.9%+,brown black, irregular crystal form 1-2um 99.9+%, dark brown, irregular crystal form Silicon nanopowder properties: High purity, good dispersion performance, small size, uniform distribution, large surface area, high surface activity, low apparent density. Nano Silicon powders is non-toxic, odorless, and with active features. Nano silicon powder is a new material for high capacity lithium battery anodes. Silicon nanopowders use for the rechargeable lithium battery cathode material: Due to the high absorption rate of nanometer silicon and lithium batteries, the nano silicon for lithium can significantly increase the capacity of lithium battery (theory can reach 4000mA / h). Nano silicon powder and graphite replace the nano carbon powder as raw materials for the lithium anode material, use the mechanical milling method for preparing the best ratio of silicon / graphite composites, silicon and graphite, which is 1:9. Composition Si-C composite material, can effectively reduce the expansion when silicon absorption lithium ions, increase the affinity with the electrolytic solution, and easily dispersed and can improve the cycle performance. Nano silicon nanowires made of silicon powder used in rechargeable lithium battery anode material in or on the surface of the nano silicon powder coated graphite anode materials used in rechargeable lithium battery, rechargeable lithium batteries can be improved more than three times the capacity and charge-discharge cycles.

Silicon solar battery back silver paste widely used spherical silver powder.

Superfine cu nanopowders has nano size and micron size, widely used in lubricating materials.

Nano titania tubes, OD：10-15nm,ID：3-5nm,L>1um, with large SSA, widely used in catalyst for its excellent photocatalyst , adsorption properties. 

Plus nickelic oxide in the glass is mainly controlled color glass can absorb ultraviolet in brown coloration stable on transparent glass containing a small amount of Ni2O3.

HONGWU Nano fe3o4 powder is magnetic, widely used in microwave absorbing materials.

High Purity Conductive Nano Al Aluminum Powder with 100nm, 200nm 99.9% purity use as the catalyst.

Hongwu Internationg Group Ltd supply zirconium dioxide nanopowder with 60-80nm with 99.9%. 0.3-0.5um and 1-3um ZrO2 powders are also available.

Transparent Iron Oxide Pigments from HWNANO have good dispersion in paiting and coating.