This is a white-colored, fused borosilicate glass in a hollow microsphere or bubble form. This product has a bulk density of 0.26 g/cc and a maximum working pressure of 4,000 psi.

Hollow glass microphere is most commonly used to increase thermal and acoustic insulation in autobody sealant and coating applications.

Sphericel hollow glass microspheres are used as lightweight additives in plastic parts as well as to enhance performance and reduce viscosity in paints and coatings.

Hollow glass micropheres are chemically inert, non-porous, and have very low oil absorption.

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