Improvements in loading paper, cardboard, and the like, and in fire-resisting and practically incombustible materials having plastic properties produced thereby

摘要

151,381. Motta, D., Rugiu, E., and Villain, A. June 27, 1919. Stereotype.-A fire-resisting and practically incombustible material having plastic properties and suitable for the production of stereotype matrices is formed by mixing paper paste with an equal weight of a mixture of equal parts of calcium carbonate and magnesium silicate.