3M™ Glass Bubbles S28HS

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Density reduction

High strength-to-density ratio

Small particle size

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  • Density reduction
  • High strength-to-density ratio
  • Small particle size
  • Chemical stability and inertness
  • Reduced dielectric constant
  • Thermal conductivity reduction
  • Solar heat reflection

3M™ Glass Bubbles S28HS are high strength hollow microspheres made of soda-lime borosilicate glass with a true density of 0.28 g/cm³ and an isostatic crush strength of 3000 psi / 210 bar.

The S28HS Glass Bubbles offer a very good strength-to-density ratio and small particle size, making them suitable for a variety of applications such as buoyancy in oil and gas, airless sprayable paints and coatings, adhesives, mastics, sealants, SMC and other thermoset resin systems.



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