3M Ceramic Microspheres are intrinsically hard, uniquely-shaped fillers engineered to provide a number of customer-pleasing properties – all while helping paint and coating formulators reduce costs, enhance durability and improve processability. Because of their shape and particle size distribution, 3M Ceramic Microspheres enable lower resin demand and lower viscosities without sacrificing filler loading.

In addition, the high strength and intrinsic hardness of 3M Ceramic Microspheres help make painted surfaces more durable, to better resist scrubbing and burnishing.

From the interior of a home place to industrial structures exposed to the various elements, 3M Ceramic Microspheres can help adding value to a variety of architectural and industrial paints and coatings – helping manufacturers formulate their materials for success.


  • Hardness- up to 60,000 psi crush strength.  
  • Chemically inert.
  • Spherical particles.
  • Can be highly loaded into polymers and coatings.
  • UV transparent to 250 nm.


  • Extend the life of a coating.
  • Assist processability and flow in thermoplastic and coatings.
  • Improved burnish, scrub and abrasion resistance for longevity of coatings and performance.
  • Formulations with lower Volatile Organic Compounds (VOCs), eg. paints and lacquers.
  • Allow through cure in UV systems.
  • Viscosity control.
  • Gloss control of paints.
  • Strength and durability of thermoplastics and thermosets.
  • Improved corrosion and temperature resistance.


3Μ Ceramic Microspheres are used by formulators to reduce VOC levels, increase filler loadings, improve hardness, and add burnish, scrub and abrasion resistance to a variety of coating formulations. Due to the ceramic chemistry of these products, they are also UV transparent down to 250 nm and have utility in radiation-curable and thin-film powder coatings. Industrial and maintenance coatings, Architectural coatings, Semi-gloss to matte formulations, Architectural coatings, Radiation curable coatings, Primers, Mastics, Grouts.

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