ALN nanopowder for heat conductive

AlN is an atomic crystal, diamond-like nitride, stable up to 2200 ℃. High intention at room temperature, and the intensity decreases slowly with increasing temperature. Good thermal conductivity, thermal expansion coefficient is small, or electrical insulator, dielectric properties, good mechanical properties. It is widely for High temperature structural parts, thermal conductive materials and crucibles and casting mold materials.

High thermal conductivity (about 270W / m · K
Thermal expansion coefficient (4.5 × 10-6 ℃)

ALN nanopowder For thermal conductive use:

1, thermal silica and thermal conductivity of epoxy resin
Ultra-high thermal conductivity of nano AlN composite silicone has good thermal conductivity, good electrical insulation, a wide range of electrical insulation temperature (operating temperature -60 ℃ – 200 ℃), lower consistency and good construction performance. Products have reached or exceeded the imported products, because it can replace similar imported products and are widely used in electronic devices heat transfer medium, improve work efficiency. Such as CPU and radiator gap, high-power transistors, SCR components, diodes, and the substrate contact with the slit at the heat transfer medium. Nano thermal paste is filled IC or transistor and the gap between the heat sink, increasing the contact area between them, to achieve better heat dissipation.

2, the application of thermal plastic: Nano aluminum nitride powder can greatly improve the thermal conductivity of plastics. By adding 5-10% of the experimental product into the plastic, the thermal conductivity of the plastic can be increased from 0.3 to 5. Thermal conductivity increased more than 16 times. Compared to the current market thermal filler (alumina or oh magnesium oxide, etc.) with a low amount of added, the mechanical properties of products have improved the role of thermal conductivity to improve more obvious characteristics. At present, relevant application manufacturers have already purchased Nano AlN powder on a large scale.

Apart from Aluminum Nitride nanopowder, also BN, SiC, alpha Al2O3 ZnO nanopowder, etc are also applied for thermal conductive. In theory BN nanopowder and ALN nanopowder have higher thermal conductivity. We believe there are increasing market for thermal conductive nanopowder materials, and for the Aluminum Nitride nano powder for thermal conductive use.

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