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Professional Design Hexagonal Boron Nitride - Spherical Alumina Powder for Thermal Interface Materials – Huarui
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  • Professional Design Hexagonal Boron Nitride - Spherical Alumina Powder for Thermal Interface Materials – Huarui
  • Professional Design Hexagonal Boron Nitride - Spherical Alumina Powder for Thermal Interface Materials – Huarui
  • Professional Design Hexagonal Boron Nitride - Spherical Alumina Powder for Thermal Interface Materials – Huarui
  • Professional Design Hexagonal Boron Nitride - Spherical Alumina Powder for Thermal Interface Materials – Huarui

Professional Design Hexagonal Boron Nitride - Spherical Alumina Powder for Thermal Interface Materials – Huarui

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Professional Design Hexagonal Boron Nitride - Spherical Alumina Powder for Thermal Interface Materials – Huarui Detail:

Product Description

HRK series spherical alumina are produced by high temperature melting-jet method developing on ordinary irregular shape Al2O3, and then undergoes screening, purification and other processes to obtain the final product. The obtained alumina has high spheroidization rate, controllable particle size distribution and high purity. Because of its unique properties such as high thermal conductivity and good mobility, The product have been widely used as the filler of thermal interface materials, thermal engineering plastics and aluminum-based Copper-Clad Laminates and so on.

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SEM

Electron microscope diagram

Product Features

Technical item Unit HRK Series product Code
 Particle Size HRK-1 HRK-2 HRK-5 HRK-10 HRK-20 HRK-30 HRK-40 HRK-70 HRK-90 HRK-120
(D10) µm 0.71 0.69 2.54 4.55 10.5 16.88 23.77 44.32 55.23 92.39
(D50) µm 1.08 2.18 5.52 10.43 20.8 30.52 41.54 71.54 87.96 122.98
(D90) µm 3.21 5.24 9.09 20.8 37.24 48.87 66.44 106.5 134.92 172.07
Specific Surface Area m2/g 1.69 1.27 0.36 0.17 0.14 0.13 0.12 0.12 0.1 0.06
Electrical Conductivity u S/cm 6.07 5.4 5.65 4.05 6.87 7.95 4.65 6.18 8.15 6.45
PH Value - 7.53 7.79 7.7 7.9 7.62 7.7 7.8 7.7 7.9 7.54
Moisture % 0.05 0.03 0.03 0.03 0.03 0.03 0.03 0.03 0.03 0.04
True Density g/cm3 3.71 3.7 3.74 3.76 3.79 3.79 3.81 3.87 3.88 3.89
Spheroidization Rate % 96 98 98 98 96 98 96 96 95 95
Chemical Composition Al2O3 % 99.87 99.94 99.89 99.94 99.92 99.93 99.94 99.92 99.94 99.92
SiO2 ppm 430 30 430 20 150 20 20 30 20 170
Fe2O3 ppm 140 70 140 40 60 60 50 60 60 140
Na2O ppm 90 100 10 60 140 90 110 90 70 90

Application

● Thermal Interface Materials: thermal silica pad, thermal grease, thermally conductive potting glue, phase change materials;
● Thermally Conductive Engineering Plastics: LED lamp cover, switch shell,electronic products shell, electrical products heat dissipation parts;
● Al-based Copper Clad Laminate: high-power LED circuit substrate, power circuit boards, etc;
● Alumina Ceramic Filters;
Thermal Spray Coating.

Application

Product detail pictures:

Professional Design Hexagonal Boron Nitride - Spherical Alumina Powder for Thermal Interface Materials – Huarui detail pictures

Professional Design Hexagonal Boron Nitride - Spherical Alumina Powder for Thermal Interface Materials – Huarui detail pictures

Professional Design Hexagonal Boron Nitride - Spherical Alumina Powder for Thermal Interface Materials – Huarui detail pictures

Professional Design Hexagonal Boron Nitride - Spherical Alumina Powder for Thermal Interface Materials – Huarui detail pictures

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No matter new customer or previous client, We believe in prolonged time period and trustworthy relationship for Professional Design Hexagonal Boron Nitride - Spherical Alumina Powder for Thermal Interface Materials – Huarui , The product will supply to all over the world, such as: South Korea, Argentina, Borussia Dortmund, We confirm to public, cooperation, win-win situation as our principle, adhere to the philosophy of make a living by quality, keep developing by honesty , sincerely hope to build up a good relationship with more and more customers and friends, to achieve a win-win situation and common prosperity.
    • A good manufacturers, we have cooperated twice, good quality and good service attitude.
    5 Stars By Alberta from Berlin - 2018.12.05 13:53
    The factory technical staff not only have high level of technology, their English level is also very good, this is a great help to technology communication.
    5 Stars By Betsy from Slovenia - 2017.09.28 18:29
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