Eccospheres®
Eccospheres® are thin-walled, hollow glass microspheres (HGMS) developed to meet the demanding strength, weight and electrical specifications of our customers. Magnification reveals the near perfect spherical shape of HGMS, which to the naked eye, resemble a fine, white, free-flowing powder.
High temperature resistance
Good density to strength ratios
Low thermal conductivity
Customized saline treatments available
Key Applications
Eccospheres® can be incorporated into a wide range of polymer and resin systems and can replace or combine with other materials to create composites.
Chemically sensitive systems
High viscosity systems
Extreme processing conditions
Low dielectric or loss tangent
High temperature systems
Gallery
FTD Series
The FTD series exhibits a clean ion-exchanges surface that ensures compatibility with almost any resin system.
The FTD series has a basic surface chemistry with no sulfur content, which makes it perfect for sulfur sensitive chemistries.
SI Series
The SI series exhibits a clean surface chemistry with a reduced alkali content ensuring compatibility with most resin and surface coating systems.
SID Series
The SID series exhibits a clean surface chemistry with improved strength. High strength ensures survival of the sphere when subjected to aggressive processing. This series has the highest strength to weight ratio.
Eccospheres®Typical Properties
| Eccospheres® Series | Mean particle size (microns) | Collapse pressure (psi*) | Average density range +/- 0.02 (g/cc) | Theoretical thermal conductivity (K/mK) | Drum size (lbs/kg) | Repack size (kg) |
|---|---|---|---|---|---|---|
| FTD-200 | 65 | 750 | 0.20 | 0.08 | 40 lbs (18.2 kg) |
1.00 |
| FTD-250 | 55 | 1,200 | 0.25 | 0.09 | 50 lbs (22.7 kg) | 1.00 |
| SI-100 | 65 | 250 | 0.10 | 0.05 | 25 lbs (11.4 kg) |
|
| SI-160 | 62 | 400 | 0.20 | 0.08 | 40 lbs (18.2 kg) |
|
| SI-200 | 60 | 800 | 0.20 | 0.08 | 40 lbs (18.2 kg) |
1.00 |
| SI-250 | 60 | 1,800 | 0.25 | 0.09 | 50 lbs (22.7 kg) |
1.00 |
| SID-106Z | 60 | 600 | 0.16 | 0.07 | 40 lbs (18.2 kg) |
|
| SID-200Z | 53 | 1,000 | 0.20 | 0.08 | 40 lbs (18.2 kg) |
|
| SID-230Z | 52 | 2,100 | 0.23 | 0.09 | 50 lbs (22.7 kg) |
|
| SID-270Z | 50 | 5,000 | 0.27 | 0.10 | 50 lbs (22.7 kg) |
|
| SID-311Z | 45 | 6,000 | 0.31 | 0.11 | 50 lbs (22.7 kg) |
|
| SID-350Z | 45 | 6,500 | 0.35 | 0.12 | 50 lbs (22.7 kg) |
Eccospheres®
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