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3M™ Glass Bubbles S15

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  • Lightweight 3M™ Glass Bubbles can easily be sanded in auto body repair fillers
  • Decreases weight and increases buoyancy for lower density in finished parts
  • Provides excellent water and oil resistance for use in underwater applications
  • Provides buoyancy for driller risers, buoyancy modules and remote operated vehicles
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3M™ Glass Bubbles S15 are hollow glass spheres with a density of 0.15 g/cc and an isostatic crush strength of 300 psi. These glass bubbles are designed for a number of industries, including auto body repair fillers and syntactic foams for deep water buoyancy. The bubbles produce strong, stable voids and low thermal conductivity, helping the coating achieve the necessary compressive strength.

What are 3M™ Glass Bubbles?
3M™ Glass Bubbles are engineered hollow glass microspheres made from water-resistant and chemically-stable soda-lime borosilicate glass. Like all 3M glass bubbles, our 3M™ Glass Bubbles S15 are water and oil resistant, providing better utility in underwater applications. Additionally, they are non-combustible and non-porous, so they do not absorb resin; and their low alkalinity makes this product compatible with most resins while providing a stable viscosity and a long shelf life.

These low density particles are used for many demanding applications across a wide range of industries to provide temperature and pressure resistance, reduce part weight, lower costs and enhance overall product properties. For these reasons, 3M glass bubbles are a superior alternative to many conventional fillers and additives such as silica, calcium carbonate, talc and clay.

Strength-to-Weight Ratio
The benefits don’t end there; although these hollow spheres have thin walls, they have an isostatic crush strength of 300 psi, making them suitable for a number of applications – construction, paints and coatings, transportation, buoyancy and others. S15 bubbles have a fractional survival rate of 85% or more, at 300 psi for consistent performance and greater survivability. The unique spherical shape of these bubbles offers a number of important benefits, including: higher filler loading, lower viscosity/improved flow and reduced shrinkage and warpage. Adding to this product’s versatility is its ability to be easily blended into compounds, making it adaptable to a variety of production processes including spraying, casting and molding.

The favorable strength-density ratio makes 3M glass bubbles an industry standard additive for syntactic foams used in buoyancy modul

  • Lightweight 3M™ Glass Bubbles can easily be sanded in auto body repair fillers
  • Decreases weight and increases buoyancy for lower density in finished parts
  • Provides excellent water and oil resistance for use in underwater applications
  • Provides buoyancy for driller risers, buoyancy modules and remote operated vehicles
  • Decreases thermal conductivity in syntactic foam compositions
Specifications
Applications
Bouyancy
Brand
3M™
Capabilities
Chemical Resistance, Lightweighting, Temperature Resistance
Color (unaided eye)
White, powdery
Composition
Soda-lime-borosilicate glass
Density (g/cc)
0.15
Industries
Construction, Insulation and Buoyancy, Paints and Coatings, Rubber and Plastic
Net Weight (Imperial)
0.5 lb., 10 lb., 10000 lb., 260 lb., 50 lb.
Net Weight (Metric)
117.934 kg, 4535.924 kg
Particle Size (D50 Micron)
55
Particle Size Range (D50 Micron)
50 - 59, 50 - 59
Product Color
White
Shape
Hollow spheres with thin walls
Strength (MPa)
2
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