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3M™ Glass Bubbles K42HS

Glass Bubbles
Glass Bubbles
K42HS glass bubbles have a density of 0.42 g/cc and an isostatic crush strength of 7,500 psi.
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The K42HS product in intended for use in plastic and rubber applications where lower density and intermediate crush strength are required. K42HS glass bubbles can help compounders and design engineers with applications requiring: BUL) reduced part weight
  • improved dimensional stability
  • improved processing throughput
  • Typical Properties

    CapabilitiesIncreased Production Throughput, Temperature Resistance, Lightweighting, Chemical Resistance
    Color (unaided eye)White, powdery
    CompositionSoda-lime-borosilicate glass
    Crush Strength (PSI)7,500
    Density (g/cc)0.42
    IndustriesPaints and Coatings, Transportation, Rubber and Plastic, Compounding
    Particle Size (D50 Micron)22
    Particle Size Range (D50 Micron)20 - 29
    ShapeHollow spheres with thin walls
    Sizes AvailableBulk Trailer, Small Box (100 lb, 45.4 kg), Supersack (700 lb, 317.5 kg), Large Box (680 lb, 308.4 kg)
    Strength (MPa)51.7