3M™ Glass Bubbles K1
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Details
Highlights
- Reduction of density
- Provides buoyancy in syntactic foam compositions
- Stable voids for low thermal conductivity
- Versatile use – adaptable to a variety of production processes
- Easy sanding of lightweight wall repair compounds
- Temperature resistance
- Chemical stability and inertness
3M™ Glass Bubbles K1 are engineered hollow glass microspheres made of water-resistant and chemically resistant soda-lime borosilicate glass with a true density of 0.125 g/cm³ and an isostatic crush strength of 250 psi / 17 bar.
K1 is the Glass Bubbles grade with the lowest density and designed for a variety of applications where very low density and low thermal conductivity is needed. Typical applications are lighweitght buoyancy modules, wall repair compounds, thermal insulating paints, construction materials, and emusion explosives.
Specifications
| Appearance (Unaided Eye) | White Powder |
| Composition | Soda-lime Borosilicate Glass |
| Crush Strength (Imperial) | 250 psi (80% Minimum Fractional Survival) |
| Crush Strength (Metric) | 1.72 MPa (80% Minimum Fractional Survival) |
| Industries | Construction, Paints and Coatings, Mining, Insulation and Buoyancy, Transportation, Rubber and Plastic |
| Net Weight (Imperial) | 44.093 lb., 176.4 lb., 396.9 lb. |
| Net Weight (Metric) | 20 kg, 80 kg, 180 kg |
| Shape | Thin-walled Hollow Spheres |
| Typical Density | 0.125 g/cc |
| Typical Median Particle Diameter | 65 µm |
Resources
Safety Data Sheets
Document Number: MSDS_1048529_GB_EN
(PDF)
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