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  5. 3M™ Glass Bubbles K37 260 kg/LG Case

3M™ Glass Bubbles K37 260 kg/LG Case

  • 3M Product Number K37
  • 3M ID 7000079841
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Typical Density 0.37 g/cc
Crush Strength (Metric) 20.68 MPa (80% Minimum Fractional Survival)
Typical Median Particle Diameter 45 µm
Net Weight (Imperial) 573.3 lb.
Net Weight (Metric) 260 kg
Crush Strength (Imperial) 3000 psi (80% Minimum Fractional Survival)

Density reduction

Higher filler loading feasible and lower VOC for paints and coatings

Chemical stability and inertness

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Details

Highlights
  • Density reduction
  • Higher filler loading feasible and lower VOC for paints and coatings
  • Chemical stability and inertness
  • Temperature resistance
  • Thermal conductivity reduction

3M™ Glass Bubbles K37 are hollow microspheres made of soda-lime borosilicate glass with a true density of 0.37 g/cm³ and an isostatic crush strength of 3000 psi / 210 bar.

This general purpose Glass Bubbles grade is used for coatings, adhesives, mastics, sealants, and thermoset resin systems.

Specifications

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