Opaline Dry Cleaning Pad
[Durasol Chemical] A brand name for a dry cleaning pad composed of a vulcanized rubber base filled with Magnesium silicate. Opaline has been used to dry clean paper. The eraser can leave tiny yellowish crumbs on the surface that darken slightly with age.
Resources and Citations
- E.J.Pearlstein, D.Cabelli, A.King, N.Indictor "Effects of Eraser Treatment on Paper" JAIC 22:1-12, 1982.