- Zhengzhou Haixu Abrasives Co., Ltd.
-
Zhengzhou, Henan, China
- Main products: white fused alumina, brown fused alumina, silicon carbide, boron carbide, glass beads, pink fused alumina, tabular alumina, ceramic foundry sand, zirconia fused alumina, chromite sand, garnet, bauxite
Home > Products > white fused alumina > Spherical Aluminum Oxide Powder 20um
Spherical Aluminum Oxide Powder 20um
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Product Details
| Brand Name | Haixu Abrasives | Place of Origin | China | |
| Model Number | 20um | Material | alumina oxide | |
| Usage | thermal conductive | Abrasive Grain Sizes | 20um |
Product Description
Spherical Aluminum oxide powder 20um
Description:
Spherical alumina powder is produced from low soda aluminum oxide aluminum oxide by fire fusing process. The sphere shape leads to low BET surface area and high flowability. In the meantime, spherical alumina powder is of high thermal conductivity and low oil absorption rate. It is widely used as thermal conductive filler in electronics, expoxy resin, thermal insulating media in ceramic sintering, thermal spaying powder, etc.
Characteristic:
1. High Al2O3 purity more than 99.9%. Low Na2O content less than 0.1%.
2. High spherical rate, good flowability without damage for grinding.
3. Low oil absorption rate make it suitable for filler material.
4. Low BET surface area and low Viscosity mixed with resin.
5. Higher thermal conductivity than angular aluminum oxide.
Items | BET(m2/g) | Specific Gravity(g/cm3) | conductivity (us/cm) | PH | Moisture (%) | Roundness (%) | D10 Value(um) | D50 Value(um) | D90 Value(um) |
HGSA01 | 1.69 | 3.71 | 6.07 | 7.79 | 0.03 | 98 | 0.58 | 1.03 | 2.14 |
HGSA02 | 1.27 | 3.72 | 5.40 | 7.70 | 0.03 | 96 | 0.69 | 2.18 | 5.24 |
HGSA05 | 0.36 | 3.74 | 5.65 | 7.90 | 0.03 | 98 | 2.54 | 5.52 | 9.09 |
HGSA10 | 0.17 | 3.76 | 4.05 | 7.62 | 0.03 | 98 | 4.18 | 10.03 | 18.46 |
HGSA15 | 0.14 | 3.86 | 1.83 | 7.80 | 0.03 | 98 | 7.03 | 15.11 | 24.06 |
HGSA20 | 0.11 | 3.80 | 6.87 | 7.80 | 0.03 | 98 | 10.5 | 20.8 | 37.24 |
HGSA30 | 0.10 | 3.76 | 7.95 | 7.40 | 0.05 | 96 | 16.88 | 30.52 | 48.87 |
HGSA40 | 0.07 | 3.81 | 4.65 | 7.45 | 0.03 | 98 | 23.77 | 41.54 | 66.44 |
HGSA70 | 0.05 | 3.87 | 6.18 | 7.70 | 0.03 | 96 | 44.32 | 71.54 | 106.5 |
HGSA90 | 0.06 | 3.88 | 8.15 | 7.35 | 0.05 | 95 | 55.23 | 87.96 | 134.92 |
HGSA120 | 0.06 | 3.82 | 2.60 | 7.46 | 0.03 | 96 | 90.95 | 122.39 | 172.72 |
Typical Chemical Composition
Items | Guarantee Value | Typical Value |
Al2O3(%) | 99.9 | 99.94 |
SiO2(ppm) | 500 | 373 |
Fe2O3(ppm) | 200 | 120 |
Na2O(ppm) | 200 | 107 |
Application:
1. Fillers for semiconductor sealing materials
2. Various resin filling materials. Especially suitable for improving the thermal conductivity and surface hardness of silicone rubber, epoxy resin, various engineering plastics, etc.
3. Setting powder for ceramic sintering
4. Grinding and polishing
5. Thermal spraying materials
Contact Us
- Zhengzhou Haixu Abrasives Co., Ltd.
- Contact namePan Chen Chat Now
- Phone86-371-60900389
- AddressXingyang, Zhengzhou, Henan
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