3M™ Glass Bubbles S32
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Details
Highlights
- Density reduction allowing for weight reduction, better buoyancy properties, higher yield in paints
- Higher filler loading feasible and lower VOC for paints and coatings
- Thermal condutivity reduction for better thermal insulation
- Chemical stability and inertness
- Reduced dielectric constant
- Temperature resistance
3M™ Glass Bubbles HGS4K28 are hollow microspheres made of soda-lime borosilicate glass with a true density of 0.28 g/cm³ and an isostatic crush strength of 4,000 psi / 280 bar.
These Glass Bubbles are designed for buoyancy and insulation in deep water applications. S series Glass Bubbles generally offer smaller particle sizes than the K series. 3M™ Glass Bubbles S32 are ideal additives for shallow water buoyancy applications and applications in thermoset resins like polyurethane and epoxy polymers. They are virtually insoluble in water or oil.
Specifications
| Appearance (Unaided Eye) | White Powder |
| Composition | Soda-lime Borosilicate Glass |
| Crush Strength (Imperial) | 2000 psi (80% Minimum Fractional Survival) |
| Crush Strength (Metric) | 13.79 MPa (80% Minimum Fractional Survival) |
| Industries | Insulation and Buoyancy, Construction, Paints and Coatings, Rubber and Plastic |
| Net Weight (Imperial) | 99.208 lb., 1058.4 lb. |
| Net Weight (Metric) | 45 kg, 480 kg |
| Shape | Thin-walled Hollow Spheres |
| Typical Density | 0.32 g/cc |
| Typical Median Particle Diameter | 40 µm |
Resources
Safety Data Sheets
Document Number: MSDS_1048529_GB_EN
(PDF)
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