Potters Industries Spheriglass® 2024 Solid Glass Spheres

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Potters Industries Spheriglass® 2024 Solid Glass Spheres
Categories:	Ceramic; Glass; Oxide; Silicon Oxide; Other Engineering Material; Additive/Filler for Polymer
Material Notes:	Description: Spheriglass® fine solid glass spheres are used as an additive for thermoplastic and thermosetting resin systems. Glass spheres give products many benefits such as: Low Uniform Shrinkage Low Warpage High Flexural Modulus High Abrasion Resistance High Compressive Strength Increased Surface Hardness Better Stress Distribution These and other characteristics enable the spheres to be used in a wide range of applications in the automotive, chemical, electronic, industrial, engineering, and photographic industries. Information provided by Potters Industries.
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Physical Properties	Metric	English	Comments

Specific Gravity	2.50 g/cc	2.50 g/cc
Bulk Density	1.46 g/cc	0.0527 lb/in³	Untapped; ASTM D 3101-78
	1.57 g/cc	0.0567 lb/in³	Tapped; ASTM D 3101-78
Oil Absorption	18 %	18 %	ASTM D1483
Particle Size	106 - 212 µm	106 - 212 µm	Range
Particle Mesh Size	70 - 140 Mesh	70 - 140 Mesh

Mechanical Properties	Metric	English	Comments
Hardness, Mohs	6.0	6.0
Modulus of Elasticity	68.9 GPa	10000 ksi
Poissons Ratio	0.16	0.16	Calculated
Shear Modulus	29.6 GPa	4300 ksi
Coefficient of Friction	0.90 - 1.0	0.90 - 1.0

Electrical Properties	Metric	English	Comments
Volume Resistivity	6.50e+12 ohm-cm	6.50e+12 ohm-cm
Dielectric Constant	6.9 @Frequency 1e+6 Hz	6.9 @Frequency 1e+6 Hz
Dissipation Factor	0.0085 @Frequency 1e+6 Hz	0.0085 @Frequency 1e+6 Hz

Thermal Properties	Metric	English	Comments
CTE, linear	9.00 µm/m-°C @Temperature 20.0 °C	5.00 µin/in-°F @Temperature 68.0 °F
Thermal Conductivity	1.51 W/m-K @Temperature 500 °C	10.4 BTU-in/hr-ft²-°F @Temperature 932 °F
Softening Point	704 °C	1300 °F

Component Elements Properties	Metric	English	Comments
Al2O3	0.40 %	0.40 %
CaO	9.8 %	9.8 %
Fe2O3	0.20 %	0.20 %
Free Iron	<= 0.10 %	<= 0.10 %
K2O	0.10 %	0.10 %
MgO	3.3 %	3.3 %
Na2O	13.7 %	13.7 %
SiO2	72.5 %	72.5 %

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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CPOT00_b / 147475

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