Potters Europe supplies a line of tightly sized solid glass microspheres for use in adhesives to establish bond line thickness in adhesives.
The spheres, which have a soda-lime (A) composition, are certified to Hughes standard specifications HMS20-1776B and Raytheon SCGMS-53004.
In general, 90% of the product fits within the gradation specified.
With crush strength of 30,000 psi (207 Mpa), Potters glass microspheres are incompressible
||Soda-Lime type A
||Free flowing white powder