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What is spherical Quartz Powder?
Spherical Quartz Powder, also known by spherical Silica powder, is an amorphous powder of quartz that has particles that are spherical in form and whose main constituent is silicon dioxide.
Spherical quartz is used primarily for copper clad laminations and epoxy mold compound fillers in large scale integrated circuit packaging. However, it also has applications across high-tech areas such as aerospace, fine chemicals, and everyday cosmetics.
Why is Quartz Powder Spheroidized
1. The ball has a small surface area, isotropy, fluidity, and filling quantity. It can have a mass ratio of 90.5%. The filling speed of silica micropowder can be increased.
The filling rate for silicon micropowder is higher, but the plastic sealing compound’s thermal expansion coefficient is lower. The thermal conductivity of the plastic sealing material is also lower, so it is more similar to monocrystalline silicon. This will improve the performance of electronic components.
2. The strength and stress concentration of the plastic sealing compound made from spherical dust is the lowest. The plastic sealing compound made of spherical is stronger than the one made from angular. It has a stress level of 0.6. When the integrated circuit chips are encapsulated by the spherical dust plastic sealing compound, the yield is high. However, it is difficult to cause mechanical damage during transportation, installation and use.
3. Spherical powder’s friction coefficient is low, so the mold wear is very minimal. The mold also has a long service-life. The service life of the mold is doubled when compared to angular powder. The cost of plastic sealing compound packaging molds is high. It is therefore necessary for some to be imported.
4. Silicon micropowder has the ability to strengthen epoxy resin. Spherical powder can also enhance this effect.
Tech Co., Ltd. is a professional supplier spherical powder with more than 12 years of chemical products research and design experience. We accept credit cards, T/T and Paypal payments. We will ship goods overseas via FedEx, DHL and by air or sea to our customers.
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