3M™ Glass Bubbles K1 180 kg

3M Product Number K13M ID 7000043147
  • Reduction of density
  • Provides buoyancy in syntactic foam compositions
  • Stable voids for low thermal conductivity
  • Versatile use – adaptable to a variety of production processes
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Product Details

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.

  • 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
Specifications
Capabilities
Chemical Resistance, Lightweighting, Temperature Resistance
Color (unaided eye)
White, powdery
Composition
Soda-lime-borosilicate glass
Density (g/cc)
0.125
Density Range (g/cm3)
0.10 - 0.19
Industries
Construction, Insulation and Buoyancy, Mining, Paints and Coatings
Particle Size (D50 Micron)
65
Particle Size Range (D50 Micron)
60 - 69, 60 - 69, 60 - 69
Strength (MPa)
1.7