Potters Industries Spheriglass® 3000 Solid Glass Spheres

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Potters Industries Spheriglass® 3000 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	Original Value	Comments

Specific Gravity	2.50 g/cc
Bulk Density	90.0 lb/ft³	Untapped; ASTM D 3101-78
	99.0 lb/ft³	Tapped; ASTM D 3101-78
Oil Absorption	18 %	ASTM D1483
Particle Size	30 - 50 µm	Mean
Particle Mesh Size	325 Mesh

Mechanical Properties	Original Value	Comments
Hardness, Mohs	6.0
Modulus of Elasticity	10000 ksi
Poissons Ratio	0.16	Calculated
Shear Modulus	4300 ksi
Coefficient of Friction	0.90 - 1.0

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

Thermal Properties	Original Value	Comments
CTE, linear	9.00 µm/m-°C @Temperature 20.0 °C
Thermal Conductivity	0.00360 cal cm/sec-cm²-°C @Temperature 500 °C
Softening Point	704 °C

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

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CPOT00_e / 147478

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