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3M™ Glass Bubbles S32

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  • Decreases density and increases buoyancy to help improve efficiency and may lower material costs
  • Customers report that the use of 3M™ Glass Bubbles in wet pipe insulation coatings result in an insulated flowline that’s half the weight of pipe-in-pipe construction
  • Reduction in overall pipe diameter results in more pipe on reels used for reel-lay pipe installation operations
  • Provides excellent water and oil resistance for use in underwater applications
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3M™ Glass Bubbles S32 are hollow glass microspheres with a typical density of 0.32 g/cc and an isostatic crush strength of 2,000 psi. These glass bubbles are designed for buoyancy and insulation in deep water applications in oil and gas drilling. When used in paint formulations, S32 can help reduce burnish and distortions.

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 S32 glass bubbles are water and oil resistant, providing better utility in underwater applications. Additionally, they are non-combustible, low alkaline and non-porous, so they do not absorb resin; and glass bubbles are compatible with most resins.

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

Very Good Strength-to-Density Ratio
The benefits don’t end there; although 3M™ Glass Bubbles S32 have thin walls, they have an isostatic crush strength of 2,000 psi, meaning they can survive both the rigorous demands of processing and enormous water pressure at depth. In turn, their low thermal conductivity makes them ideal additives in insulation for pipelines and production risers – helping to ensure that hot oil continues to flow to the surface rather than cooling and slowing. S32 bubbles have a fractional survival rate of 80% or more, at 2,000 psi for consistent performance and greater survivability.

Subsea Flowlines
What does this mean for the oil and gas industry? Conventional flowline construction, such as pipe-in-pipe, is proving to be impractical and too costly for use at today’s deeper depth oil and gas drilling (10,000 ft. /3,000 m. and more). Although pipe-in-pipe offers the best U-value (insulating value) and longest cool-down times,

  • Decreases density and increases buoyancy to help improve efficiency and may lower material costs
  • Customers report that the use of 3M™ Glass Bubbles in wet pipe insulation coatings result in an insulated flowline that’s half the weight of pipe-in-pipe construction
  • Reduction in overall pipe diameter results in more pipe on reels used for reel-lay pipe installation operations
  • Provides excellent water and oil resistance for use in underwater applications
  • Good strength-to-density ratio for use in a variety of applications
  • Paint formulations with S32 glass bubbles can help reduce burnish and distortions
Specifications
Applications
Bouyancy, Insulation
Brand
3M™
Capabilities
Chemical Resistance, Lightweighting, Temperature Resistance
Color (unaided eye)
White, powdery
Composition
Soda-lime-borosilicate glass
Density (g/cc)
0.32
Industries
Construction, Insulation and Buoyancy, Mining, Paints and Coatings, Rubber and Plastic
Net Weight (Imperial)
10 lb., 23000 lb., 270 lb., 525 lb., 550 lb., 600 lb.
Net Weight (Metric)
10432.625 kg, 272.155 kg
Particle Size (D50 Micron)
40
Particle Size Range (D50 Micron)
40 - 49, 40 - 49
Product Color
White
Strength (MPa)
13.7
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