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Priority to ES0254927ApriorityCriticalpatent/ES254927A2/en
Publication of ES254927A2publicationCriticalpatent/ES254927A2/en
Improvements introduced in the object of the main patent no. 250,881, by a method of producing platelets for the lining of rooms, which consist of kneading 56.68 parts by weight of plaster, 42.30 parts by weight of water and 0.16 parts by weight of a binder or adhesive with 0, 43 parts by weight of an alum or inorganic salt and a foaming dilution, such as soap, detergent or other foaming or active-active product, in the proportion of 50 to 500% of the volume of the mixture; in cutting or brushing the top layer of the platelets, then molded and dried, in order to leave their porosity completely exposed, and to enter the surface of said platelets, after the hardening bath thereof and by means of immersion, airbrushed or brushed, with a waterproofing or water repellent of commercial type, as well as with a dissolution of a lavalizante of the type of polyvinyl acetates, which reinforces its hardness and makes them washable. (Machine-translation by Google Translate, not legally binding)
ES0254927A1960-01-121960-01-12Method of porous platelet production for roof clading (Machine-translation by Google Translate, not legally binding)
ExpiredES254927A2
(en)