3M™ Glass Bubbles S38HS

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Density reduction

Thermal conductivity reduction

High filler loading feasible

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  • Density reduction
  • Thermal conductivity reduction
  • High filler loading feasible
  • Chemical stability and inertness
  • Temperature resistance

3M™ Glass Bubbles S38HS are hollow microspheres made of soda-lime borosilicate glass with a true density of 0.38 g/cm³ and an isostatic crush strength of 5500 psi / 385 bar.

These Glass Bubbles are designed for pipeline insulation in ultra-deep water applications and low density sheet moulding compounds (SMC).



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