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Spherical quartz powder
It is made by using a carefully selected, irregular-angled, silicon micropowder for the raw material. Then, it is melted into a round shape to produce a silica powder with low stress, good fluidity, and a small specific surface.
Spherical Quartz Powder Properties
Spherical Quartz Powder has excellent properties including a smooth surface and a large surface area. It is also hard, stable, and has a high degree of chemical resistance.
The powder is fluid, and it mixes evenly with the resin. This forms a thin film. The resin content is low, while the quartz powder amount is high. This can result in a mass fraction of up to 90.5%. The more quartz powder that is added to the mold, the less thermal conductivity it has and the smaller its thermal expansion coefficient. The performance of the electronic component produced is better if the thermal expansion coefficient is closer to monocrystalline silicon.
Second, spherical quartz has a lower stress concentration than angular powder.
Finaly, the spherical shaped powder has a smooth, non-stick surface with a low coefficient of friction. It also wears the mold less, extending its service life by more than ten times.
Spherical quartz powder applications
It has many applications. However, its main market is electronic packaging. Electronic packaging is an important industry that supports integrated circuits. The packaging requirements are increasing as integrated circuits get larger and more complex.
Microelectronic packaging requires a high level of moisture resistance, low radiation, resistance to dip-soldering and reflow-soldering, as well as good sealing performance. Spherical Quartz Powder is used as an important EMC material. This powder must meet specific packaging specifications, and also have a high level of purity, low alpha radiation, and spherical particle shape.
Quartz powder, which is spherical in shape, can be widely used for electronic packaging. It can also be used for high-grade cosmetics or precision ceramics.
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