Difference between revisions of "Scotchlite Glass bubble"
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size: 149-177 microns | size: 149-177 microns | ||
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* Pam Hatchfield, ''Pollutants in the Museum Environment'', Archetype Press, London, 2002 | * Pam Hatchfield, ''Pollutants in the Museum Environment'', Archetype Press, London, 2002 | ||
Revision as of 17:15, 1 May 2016
Description
[3M, St Paul, MN] A brand name for microscopic hollow glass spheres generally used as a lightweight filler. Glass bubbles are made from a soda-lime borosilicate glass that softens above 715C. The tiny, transparent bubbles, also called microballoons, visually appear as a free flowing white powder. Glass bubbles are made in diameters of 149 and 177 micrometers and are available in a range of densities from 0.12 to 0.41 grams per milliliter. See also microballoon.
Synonyms and Related Terms
microsphere; microballoon; glass sphere; microesferas de vidro (Port.)
Other Properties
size: 149-177 microns
Sources Checked for Data in Record
- Pam Hatchfield, Pollutants in the Museum Environment, Archetype Press, London, 2002