An Improved Composition or Material for Making Printing-surfaces, Matrices and the like.

摘要

24,652. Kristensen, S. A. C. Oct. 28. Printing-surfaces.-A composition for making printing-surfaces, matrices, mounting-blocks. and the like consists of resin with the addition of 5 per cent of sulphur and sufficient infusorial earth to give the desired consistency. The composition may be used for taking impressions from formes, for. mounting printing- plates, for bringing printing-blocks up to type height, or for moulding printing-surfaces.