3M K1 Glass Bubbles - Microballoons

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Microballoons tiny glass bubbles (quarter of a grain of salt) Low-density particles, that are alternatives to conventional fillers and additives such as silicas, calcium carbonate, talc, clay, etc. used in a wide range of industries to reduce weight. Important benefits: Compatibility with most resins Light weight. Lower viscosity Improved flow Reduced shrinkage Water resistance Non-combustible Nonporous Doesn't absorb Long shelf life. When blended readily into compounds makes them adaptable to a variety of production processes including spraying, casting and molding. Show more