sharing our knowledge.
Photographic gallery.  Thousands of particles under the microscope.
Resin Spheres from Transformer Oil Through the Microscope

Resin Spheres

Resin sphere form under some conditions in transformer oil over time. They tend to be yellow to brown in color. They are spherical because they form in the oil itself. There are a number of resin spheres in this image, along with copper arcing spheres, copper wear particles, and charred paper.

Transmitted Oblique Off Crossed Circular Polarized Light and Reflected Darkfield Illumination


Significance in the Environment:

Characteristic Features:

Associated Particles: