3M™ Glass Bubbles S32

3M Product Number S32
Products
  • 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
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Product Details

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.

  • 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
  • Temperature resistance
Specifications
Capabilities
Chemical Resistance, Lightweighting, Temperature Resistance
Color (unaided eye)
White, powdery
Composition
Soda-lime-borosilicate glass
Density (g/cc)
0.32
Density Range (g/cm3)
0.30 - 0.39
Industries
Construction, Insulation and Buoyancy, Paints and Coatings, Rubber and Plastic
Net Weight (Metric)
480 kg
Particle Size (D50 Micron)
40
Particle Size Range (D50 Micron)
40 - 49, 40 - 49, 40 - 49
Strength (MPa)
13.7
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