Glass Bubbles and Articles Therefrom
A plurality of glass bubbles having, in combination, a D50 size of no greater than 13 micrometers, an average true density of no greater than 0.42 grams per cubic centimeter, and a 90% crush strength of at least 55 megapascals are described. Methods of making such glass bubbles and compositions and...
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Zusammenfassung: | A plurality of glass bubbles having, in combination, a D50 size of no greater than 13 micrometers, an average true density of no greater than 0.42 grams per cubic centimeter, and a 90% crush strength of at least 55 megapascals are described. Methods of making such glass bubbles and compositions and articles such as sheet molding compounds and dielectric layers prepared from such glass bubbles are also described. |
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