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Keene's marble cement (гипс с раствором квасцов: В данную товарную позицию не входят некоторые продукты, иногда известные под названием цемент, такой как цемент Кина или английский цемент (штукатурный гипс с квасцами) (товарная позиция 2520) и пуццолановая земля, санториновая земля и им подобные вещества, иногда называемые природными цементами (товарная позиция 2530).  rostest.net); Keene's cement plaster (Keene's Cement Plaster or Keene's cement is a hard plaster formulation, primarily used for ornamental work. Alternate names are Martin's cement and Parian cement. It is a calcined formulation of regular calcium sulfate plaster with an alum admixture. The compound gives a hard finish that can be polished. The product was developed by Richard Wynn Keene and patented in 1838.[ wikipedia.org); Martin's cement (тж. Keene's cement, Keene's cement plaster, Parian cement wikipedia.org 'More); Parian cement (Keene's cement, Gypsum (sulphate of lime or plaster of Paris) steeped in a solution of alum (double sulphate of aluminium and potassium) then subjected to intense heat, ground to a powder, and sifted. Invented around 1840, and also called Martin's or Parian cement, it was exceptionally hard when dry, took a high polish, and could also be coloured. Easily cleaned, it was often used for skirtings, dados, mouldings, and even floor-surfaces. It was combined with marble for parts of the interior of Butterfield's Church of All Saints, Margaret Street, London (1848–59). Oxford reference oxfordreference.com 'More) |
