CONSIDERATIONS OF THE EFFECT OF ERASERS ON COTTON FABRICElizabeth Estabrook
ABSTRACT—This study examines the effect of seven dry cleaning products, several of which have been used in paper conservation, on cotton canvas. The changes in surface pH, color, brightness, and surface texture of aged and unaged samples of no. 10 cotton duck due to treatment with these products are observed. The composition of the eraser, its surface pH, and its cold extraction pH are noted, as are the quantity, color, size, and tenacity of its crumbs. Conclusions are that Pink Pearl, Kneaded Rubber, and the vinyl-based erasers examined here are the most abrasive. Pink Pearl left the greatest quantity and most tenacious crumbs. Kneaded Rubber and Pink Pearl caused the greatest darkening, reddening, and yellowing of the cotton support. The vinyl erasers gave intermediate results, while Art Gum, Tapeten Reiniger, and Absorene gave the best over all results under these experimental conditions.
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