Spherical Fused Silica

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Description

GNPGraystar’s Spherical (minimum of 91% sphericity) Fused Silica Powder has a high rate of spericity, high purity, and consistent sizing for high-performance applications.

This material data has been provided by GNPGraystar Specialty Materials.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

Ashby charts

Properties

General

PropertyValueComment

Loss on Ignition

0.1 %

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max.

Particle size D50

1.0 - 40.0 μm

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different specifications, please refer to the table below

True particle density

2.15 g/cm³

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2.25 g/cm³

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Chemical properties

PropertyValueComment

Aluminium

0.15

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max. Al₂O₃

Calcium

0.008

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max. CaO

Chlorine

0.0005

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max. Cl⁻

Iron

0.01

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max. Fe₂O₃

0.0015

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Fe²⁺

Magnesium

0.008

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Potassium

0.008

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max. K₂O

Silicon

99.3 %

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min. SiO₂

Sodium

0.01

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max. Na₂O

0.0005

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Na⁺

Titanium

0.008

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max. TiO₂

Technological properties

Property
Application areas

GNPGraystar’s Spherical Fused Silica Powder is widely used in various industries such as encapsulation of electronic products and chip material, fiber optic cable, special engineering plastics, rubber, cermic, filler for heat dissipation board (MC board), heat dissipating grease, ink, chemical industry, and many other applications.

Other

Particle SizeSSF-002SSF-005SSF-007SSF-010SSF-020SSF-040
d50 μm2 ± 15 ± 17 ± 210 ± 220 ± 335 ± 5
Cut Point30 μm30 μm45 μm53 μm75 μm90 μm