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3M™ Glass Bubbles K37, 50 kg/SM Case

3M Product Number K373M ID FS910004415
  • Density reduction
  • Higher filler loading feasible and lower VOC for paints and coatings
  • Chemical stability and inertness
  • Temperature resistance
 More...
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Product Details

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.

  • Density reduction
  • Higher filler loading feasible and lower VOC for paints and coatings
  • Chemical stability and inertness
  • Temperature resistance
  • Thermal conductivity reduction
  • Lightweight filler adds durability and scrub resistance to paint formulations
Specifications
Attribute Name
Value
Capabilities
Chemical Resistance, Increased Production Throughput, Lightweighting, Temperature Resistance
Color (unaided eye)
White, powdery
Composition
Soda-lime-borosilicate glass
Density (g/cc)
0,37
Density Range (g/cm3)
0.30 - 0.39
Industries
Construction, Mining, Paints and Coatings
Net Weight (Metric)
50 kg
Particle Size (D50 Micron)
45
Particle Size Range (D50 Micron)
40 - 49, 40 - 49, 40 - 49
Strength (MPa)
20.6
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