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Photographic gallery.  Thousands of particles under the microscope.

Glass Fiber Duct Insulation, White Blanket

This is glass fiber from a white thermal blanket insulation. The glass fiber near the middle of this photograph is associated with a large, colorless globule of resin. The internal texture indicates a high mineral filler content.

Transmitted Off Crossed Polarized Light Illumination


Significance in the Environment:

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