3M™ Glass Bubbles S38

3M Product Number S38
Products
  • Density reduction
  • Thermal conductivity reduction for better thermal insulation
  • Higher filler loading feasible and lower VOC for paints and coatings
  • Good strength-to-density ratio
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Product Details

3M™ Glass Bubbles S38 are hollow microspheres made of soda-lime borosilicate glass with a true density of 0.38 g/cm³ and an isostatic crush strength of 4000 psi / 280 bar.

The low thermal conductivity of 3M Glass Bubbles S38 makes them ideal additives in insulation for pipelines and production risers.

  • Density reduction
  • Thermal conductivity reduction for better thermal insulation
  • Higher filler loading feasible and lower VOC for paints and coatings
  • Good strength-to-density ratio
  • Chemical stability and inertness
  • Reduced dieliectric constant
  • Temperature resistance
Specifications
Capabilities
Chemical Resistance, Lightweighting, Temperature Resistance
Color (unaided eye)
White, powdery
Composition
Soda-lime-borosilicate glass
Density (g/cc)
0.38
Density Range (g/cm3)
0.30 - 0.39
Industries
Construction, Paints and Coatings, Rubber and Plastic, Transportation
Net Weight (Metric)
260 kg, 50 kg
Particle Size (D50 Micron)
40
Particle Size Range (D50 Micron)
40 - 49, 40 - 49, 40 - 49
Strength (MPa)
27.5
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