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High Purity Spherical quartz powder Spherical SiO2,99.9% | Lemondedudroit

Spherical quartz powder is a great choice because of its smooth surface and large specific area. It also has high stability chemical properties.
Purity: 99.9%

Shape: Spherical

Size: 300nm

About Spherical Quartz Powder Spherical SiO2

Spherical quartz

The powder’s excellent qualities include a flat surface, large specific area and high stability. First, powder has excellent properties.

Spherical powder fluidity

It is excellent, and resin is well mixed to form a smooth film. However, because the resin addition is very small, filling is minimal.

quartz powder

It is extremely high and can exceed 90.5%. A higher filling quantity of quartz powder means a lower thermal conductivity. Also, the plastic sealing material’s thermal expansion coefficient is smaller. This determines how well the components perform. Second, the stress level of the spherical powder can be 60% less than the angular, so the strength and stress concentration of plastic sealing materials made from spherical Quartz powder are the best. Final, the surface quality of the spherical quartz powder is very smooth. The friction coefficient and wear are low, which means that the mold’s service life can be increased by up to 1 time.

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Silicium oxide



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Spherical Q


Price of powder


Performance of Spherical quartz powder Spherical siO2

1. You can add high sphericity to uniform size but the viscosity is not affected.

2. Surface of spherical silica oxide is fluid, with uniform film formation when stirring with resin. There’s little resin used, and it has high fluidity. A lower thermal conductivity is better for electronic components. It will also reduce the thermal expansion coefficient.

3. Spherical silicon dioxide-filled plastic is used to encapsulate the integrated circuit chips. The yield is good, the friction coefficient is low, the wear is minimal, and so the mold has a very long life expectancy. It is possible to improve the mold performance over angle powder. You can double the life expectancy.

Technical Parameter Spherical quartz powder Spherical siO2

Test items Units Typical Value Test Method
Chemical Composition SiOB %99.9 Weight Method
FeB B OB HTML4_ HTML5_ HTML6_ B 105 Spectrophotometer

Weighing Method

Whiteness: % 94.5 Whiteness Meter
The Conductivity Meter for Water Extraction – mS/cm
Na+ ppm.0.7 Atomic Absorption Meter
Cl- ppm 0,4 Auto Electric Potent Titrator
pH/4.2 PH Meter

It is simple.

Spherical Quartz powder


The sphere quartz powder is made out of quartz crystal after ultrafine milling and purification. This causes the phase, crystal, and shape to change instantly from solid to liquid state to solid-state. The most common methods of preparation are high-temperature plasma melt, high-temperature melting injection, and gas combustion torch method.


Spherical Quartz powder


Spherical sio2 quartz powder is most commonly used for high temperature silicone rubber, silicon defoaming agent and advanced printing ink.

The excellent shape of sphere silica powder can not only meet all the technical requirements of high-end integrated systems, but also reduces the thermal expansion coefficient of encapsulation materials, decrease stress and increase rigidity, wear resistance and weather resistance. Products with high arc resistance insulation properties and ultraviolet radiation resistance have been deemed indispensable electronic packaging materials.

The main use of sphere quartz powder in electronics packaging is to make electronic ink and optical fiber. It can also be used for the production of high-end cosmetics, electronic ink and precision grinding optical components and optical devices.

Storage Conditions of Spherical quartz Powder Spherical SIO2

Spherical siO2 powder should be stored in dry, cool, and closed areas. This will prevent moisture from affecting dispersion and usage effect.

Transport and packing of Spherical siO2 powder

You can pack it in two plastic bags with the inside.

Packaging of Spherical Quartz Powder Spherical SiO2: Vacuum packaging, 100g to 500g or 1kg/bag at 25kg/barrel. Or as you request.

Delivery of Spherical siO2 powder and quartz powder

shipping by sea or by air.

Technology Co. Ltd. (), is a global trusted supplier and manufacturer of chemical material. It has over 12-years experience in producing super-high quality chemicals and nanomaterials. This includes boride powders, nitride & graphite powders, sulfide powders, 3D printing powders, etc.

Send us an inquiry if you’re looking for high quality sperical SiO2 Powder. (

Spherical Quartz Powder Spherical SiO2 Property

Other Titles
Fused quartz, spherial quartz, spherical SiO2, silica


Compound Formula

Molecular Weight

Powder White

Melting Point
1,600deg C (2,912deg F)

Solubility In Water

2533 kg/m3


Particle Size

Boling Point
2,230deg C (4,046deg F)

Specific Heat

Thermo Conductivity

Thermal Expansion

Young’s Module

59.9668 g/mol

59.967 D

Spherical Quartz Powder Spherical SiO2 Safety & Health Information

Safety Notice

Hazard Statements

Flashing Point
Non applicable

Hazard Codes

Risk Codes

Safety statements


Transport Information

WGK Germany

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