3M Scotchlite Glass Bubbles K15 MMM-86417

Hollow, unicellular, microscopic spheres composed of water, insoluable chemically stable soda-lime borosilicate glass. This filler/resin extender can be used in mixing of marine putties and fairing compounds as well as fiberglass reinforced plastic layup. Minimal shrinkage and easy to sand.
Description For hand mixing