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Potters Industries Spheriglass® 3000E 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® 3000E Solid Glass Spheres.pdf  |
| Price | EMAIL US sales@lookpolymers.com |
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 | 2.54 g/cc | 2.54 g/cc | |
| Bulk Density | 1.31 g/cc | 0.0475 lb/in³ | Untapped; ASTM D 3101-78 |
| 1.60 g/cc | 0.0579 lb/in³ | Tapped; ASTM D 3101-78 | |
| Oil Absorption | 18 % | 18 % | ASTM D1483 |
| Particle Size | 30 - 50 µm | 30 - 50 µm | mean value |
| Particle Mesh Size | 325 Mesh | 325 Mesh |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Hardness, Mohs | 6.5 | 6.5 | |
| Modulus of Elasticity | 72.4 GPa | 10500 ksi | |
| Coefficient of Friction | 1.0 | 1.0 |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| CTE, linear | 2.80 µm/m-°C @Temperature 20.0 °C |
1.56 µin/in-°F @Temperature 68.0 °F |
|
| Softening Point | 846 °C | 1550 °F |
| Component Elements Properties | Metric | English | Comments |
|---|---|---|---|
| Al2O3 | 14.5 % | 14.5 % | |
| B2O3 | 8.6 % | 8.6 % | |
| CaO | 22.5 % | 22.5 % | |
| Fe2O3 | 0.20 % | 0.20 % | |
| Free Iron | <= 0.10 % | <= 0.10 % | |
| K2O | 0.20 % | 0.20 % | |
| MgO | 1.2 % | 1.2 % | |
| Na2O | 0.30 % | 0.30 % | |
| SiO2 | 52.5 % | 52.5 % |
| Electrical Properties | Metric | English | Comments |
|---|---|---|---|
| Volume Resistivity | 1.00e+13 - 1.00e+16 ohm-cm | 1.00e+13 - 1.00e+16 ohm-cm | |
| Dielectric Constant | 5.8 @Frequency 1e+6 Hz |
5.8 @Frequency 1e+6 Hz |
|
| Dissipation Factor | 0.0010 @Frequency 1e+6 Hz |
0.0010 @Frequency 1e+6 Hz |
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