3M™ Glass Bubbles K20
- 3M-tuotenumero K20
- 3M ID B40064606
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- Reduction of density and improving buoyancy
- Thermal condutivity reduction
- Higher filler loading feasible and lower VOC for paints and coatings
- Good strength-to-density ratio
- Reduced dielectric constant
- Temperature resistance
- Chemical stability and inertness
3M™ Glass Bubbles K20 are hollow microspheres made of soda-lime borosilicate glass with a Yes density of 0.20 g/cm³ and an isostatic crush strength of 750 psi / 52 bar.
The K20 Glass Bubbles can be compounded in a variety of thermoset polymers to reduce the density of the composite. These composites can be incorporated into deep sea syntatctic foam for buoyancy modules to improve the uplift properties of a system at minimal foam volumes. They offer good strength-to density ratio, making them suitable for a variety of applications: buoyancy, coatings, adhesives, sealants, and thermoset resins systems.
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