Blown-in Cellulose Insulation

This cluster of paper fiber and ink is a standard from blown in cellulose insulation. The fiber just above the horizontal scale shows staining from red ink intermittently along its length.

Transmitted Off Crossed Circular Polarized Light and Reflected Darkfield Illumination

Definition/Function:

Blown-in cellulose insulation is typically shredded newspaper fiber. The fibers are often associated with ink, either in clumps or as stains along the paper fibers.

Blown-in Cellulose Insulation

This cluster of paper fiber and ink is a standard from blown in cellulose insulation. The fiber just above the horizontal scale shows staining from red ink intermittently along its length.

Definition/Function:

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