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Low price for 99.99% Bismuth Ingot - Spherical Alumina Powder for Thermal Interface Materials – Huarui

Low price for 99.99% Bismuth Ingot - Spherical Alumina Powder for Thermal Interface Materials – Huarui

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Low price for 99.99% Bismuth Ingot - 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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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.

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As for competitive prices, we believe that you will be searching far and wide for anything that can beat us. We can state with absolute certainty that for such quality at such prices we are the lowest around for Low price for 99.99% Bismuth Ingot - Spherical Alumina Powder for Thermal Interface Materials – Huarui , The product will supply to all over the world, such as: Egypt, Kazakhstan, Zurich, Over the years, with high-quality products, first- class service, ultra-low prices we win thee trust and favor of customers. Nowadays our products sell all over the domestic and abroad. Thanks for the regular and new customers support. We provide high quality product and competitive price, welcome the regular and new customers cooperate with us!
Superb technology, perfect after-sales service and efficient work efficiency, we think this is our best choice.
5 Stars By Grace from Lesotho - 2018.12.05 13:53
We are old friends, the company's product quality has been always very good and this time the price is also very cheap.
5 Stars By Irene from Madrid - 2017.04.08 14:55
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