Specifications
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Brand
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3M™
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Capabilities
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Chemical Resistance, Increased Production Throughput, Lightweighting, Temperature Resistance
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Color (unaided eye)
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White, powdery
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Composition
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Soda-lime-borosilicate glass
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Density (g/cc)
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0.37
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Industries
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Paints and Coatings, Rubber and Plastic, Transportation
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Particle Size (D50 Micron)
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45
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Particle Size Range (D50 Micron)
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40 - 49, 40 - 49
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Strength (MPa)
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20.6
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Details
3M™ Glass Bubbles K37 are lightweight hollow glass microspheres with a density of 0.37 g/cc and a crush strength of 3,000 psi. These general purpose spheres offer very good strength-to-density ratio and making them suitable for a variety of uses – coatings, adhesives, mastics, sealants and thermoset resin systems.
This general purpose Glass Bubbles grade is used for coatings, adhesives, mastics, sealants, and thermoset resin systems.
- Decreases weight in paints and thermosets to improve efficiency and may lower costs
- Higher filler loading feasible and lower VOC for paints and coatings
- Chemical stability and inertness
- Temperature resistance
- Reduced dielectric constant
