3M™ Glass Bubbles A20/1000

3M Product Number A20/10003M ID 7100029671
  • Floated series has 99% floaters by volume
  • Decreases weight, increases buoyancy
  • Provides excellent water and oil resistance for use in underwater applications
  • Surface treated to improve mechanical properties of the composite
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Product Details

3M™ Glass Bubbles A20/1000 are engineered hollow microspheres made of soda-lime brorosilicate glass with a density of 0.20 g/cm³ and an isostatic crush strength of 1,000 psi / 69 bar.

They have less than 1 % sinkers by volume and are surface treated to increase the compatibility with resins used for different applications such as buoyancy modules. Like other 3M™ Glass Bubbles in the floated product series, this product offers an outstanding strength-to-density ratio, ideal for use in a number of aerospace and oil and gas applications.

  • Floated series has 99% floaters by volume
  • Decreases weight, increases buoyancy
  • Provides excellent water and oil resistance for use in underwater applications
  • Surface treated to improve mechanical properties of the composite
  • Reduced dielectric constant
  • Thermal conductivity reduction
  • Temperature resistance
Specifications
Capabilities
Chemical Resistance, Lightweighting, Temperature Resistance
Color (unaided eye)
White, powdery
Composition
Soda-lime-borosilicate glass
Density (g/cc)
0.2
Density Range (g/cm3)
0.20 - 0.29
Industries
Insulation and Buoyancy, Paints and Coatings, Rubber and Plastic, Transportation
Net Weight (Metric)
4.536 kg
Particle Size (D50 Micron)
60
Particle Size Range (D50 Micron)
60 - 69, 60 - 69, 60 - 69
Strength (MPa)
6.8
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