Ultraseal 4-Color Fiber Test Results

Ultraseal Test Results on Wool, Silk, Cotton, & Polyester Fabrics

The smaller swatches in the top row are without Ultraseal, and the stains penetrated immediately.

The larger fabric swatches are finished with Ultraseal, and two drops of stain were applied to each; the bottom drop was cleaned off with absorbent paper towel, leaving virtually no trace.