3M™ Glass Bubbles K15

3M Product Number K15
Products
  • Density reduction allowing for weight reduction, better buoyancy properties, higher yield in paints and coatings
  • Higher filler loading feasible and lower VOC for paints and coatings
  • Thermal conductivity reduction for better thermal insulation
  • Chemical stability and inertness
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Net Weight (Metric)
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Product Details

3M™ Glass Bubbles K15 are hollow microspheres made of soda-lime borosilicate glass with a true density of 0.15 g/cm³ and an isostatic crush strength of 300 psi / 21 bar.

These additives are designed for a variety of applications including buoys and moorings, polyurethane and epoxy resins for tooling boards, paints and coatings, construction materials, and emulsion explosives.

  • Density reduction allowing for weight reduction, better buoyancy properties, higher yield in paints and coatings
  • Higher filler loading feasible and lower VOC for paints and coatings
  • Thermal conductivity reduction for better thermal insulation
  • Chemical stability and inertness
  • Temperature resistance
  • Thermal conductivity reduction
  • Temperature resistance
Specifications
Capabilities
Chemical Resistance, Lightweighting, Temperature Resistance
Color (unaided eye)
White, powdery
Composition
Soda-lime-borosilicate glass
Density (g/cc)
0.15
Density Range (g/cm3)
0.10 - 0.19
Industries
Construction, Mining
Net Weight (Metric)
220 kg, 25 kg
Particle Size (D50 Micron)
60
Particle Size Range (D50 Micron)
60 - 69, 60 - 69, 60 - 69
Strength (MPa)
2.07
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