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Potters Industries Spheriglass® EMB-20 Low Alkaline Boro-Silicate Solid Glass Microspheres
| Category | Ceramic , Glass , 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® EMB-20 Low Alkaline Boro-Silicate Solid Glass Microspheres.pdf  |
| Price | EMAIL US sales@lookpolymers.com |
Material Notes:
Spheriglass® solid glass microspheres have been developed as a filler for paints, coatings, and films.Information provided by Potters Industries.
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 2.60 g/cc | 0.0939 lb/in³ | |
| Particle Size | 10 µm | 10 µm | Mean |
| 2.0 - 20 µm | 2.0 - 20 µm |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Hardness, Mohs | 6.5 | 6.5 |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| CTE, linear | 5.10 µm/m-°C | 2.83 µin/in-°F | |
| Thermal Conductivity | 1.03 W/m-K | 7.16 BTU-in/hr-ft²-°F | |
| Softening Point | 830 °C | 1530 °F |
| Optical Properties | Metric | English | Comments |
|---|---|---|---|
| Refractive Index | 1.53 - 1.57 | 1.53 - 1.57 |
| Component Elements Properties | Metric | English | Comments |
|---|---|---|---|
| Al2O3 | 14 % | 14 % | |
| B2O3 | 5.7 % | 5.7 % | |
| CaO | 23.1 % | 23.1 % | |
| Fe2O3 | 0.20 % | 0.20 % | |
| K2O | <= 0.50 % | <= 0.50 % | |
| MgO | 1.0 % | 1.0 % | |
| Na2O | <= 0.50 % | <= 0.50 % | |
| SiO2 | 55.5 % | 55.5 % |
| Descriptive Properties | Value | Comments |
|---|---|---|
| Shape | spherical |
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