3M™ Glass Microspheres are high-strength, low-density additives made from a water-resistant and chemically stable soda-lime-borosilicate glass. They are used in a variety of automotive applications, including thermoplastics, sheet and bulk molding composites (SMC/BMC), underbody coatings, structural foams and auto body fillers to reduce weight, improve dimensional stability, reduce overall material costs – and more.
The products on this website are not available in retail outlets or sold directly to consumers. Information about 3M automotive products that are sold directly to consumers is available on the 3M Automotive Aftermarket web site.