Potters Industries Spheriglass® 2429 Solid Glass Spheres

Category	Ceramic , Glass , Oxide , Silicon Oxide , Other Engineering Material , Additive/Filler for Polymer
Manufacturer	Potters Industries
Trade Name	Spheriglass®
Port	Ningbo port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Potters Industries Spheriglass® 2429 Solid Glass Spheres.pdf
Price	EMAIL US sales@lookpolymers.com
	Online Service lookpolymers 27660005

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 ShrinkageLow WarpageHigh Flexural ModulusHigh Abrasion ResistanceHigh Compressive StrengthIncreased Surface HardnessBetter Stress DistributionThese 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.

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	53 - 106 µm	53 - 106 µm	Range
	70 - 100 µm	70 - 100 µm	Mean
Particle Mesh Size	140 - 270 Mesh	140 - 270 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

Thermal Properties	Metric	English
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
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 %

Electrical Properties	Metric	English
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

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