3M™ Glass Bubbles iM30K
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Details
Highlights
- Reduction of density
- 3M’s highest strength-to-density ratio Glass Bubble survives high shear, and high pressure processes like injection molding and extrusion
- Small particle size
- Chemical stability and inertness
- Reduced dielectric constant
- Temperature resistance
- Thermal conductivity reduction
3M™ Glass Bubbles iM30K are engineered hollow microspheres made of soda-lime borosilicate glass with a true density of 0.60 g/cm³ and an excellent isostatic crush strength of 27,000 psi / 1860 bar.
This Glass Bubbles grade is an additive with a superior strength-to-density ratio for use in injection molding, extrusion, and sheet molding compounds. The Glass Bubbles iM30k grade is the product with the highest crush strength in the portfolio.
Specifications
| Appearance (Unaided Eye) | White Powder |
| Composition | Soda-lime Borosilicate Glass |
| Crush Strength (Imperial) | 27000 psi (90% Minimum Fractional Survival) |
| Crush Strength (Metric) | 186.16 MPa (90% Minimum Fractional Survival) |
| Industries | Rubber and Plastic, Transportation |
| Net Weight (Imperial) | 132.227 lb., 992.25 lb. |
| Net Weight (Metric) | 60 kg, 450 kg |
| Shape | Thin-walled Hollow Spheres |
| Typical Density | 0.6 g/cc |
| Typical Median Particle Diameter | 18 µm |
Resources
3M™ Glass Bubbles OverviewBrochures
(PDF, 4MB)
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