Spacer Applications Microsheres Minimize
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
Typical Properties
Composition        Soda-Lime type A
Physical Form      Free flowing white powder
Specific Gravity 2.5 g/cm3
Softening point     704 oC
Refractive Index   1.51


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