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Potters Industries Spheriglass® 2530 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® 2530 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 | 2.50 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 | 60 - 70 µm | 60 - 70 µm | Mean |
| 45 - 90 µm | 45 - 90 µm | Range | |
| Particle Mesh Size | 170 - 325 Mesh | 170 - 325 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 | 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 % |
| 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 |
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