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MORTAR FOR TREATMENT OF GAPS WITHIN PLASTERING AND SUPPORT OF MURAL PAINTINGS IN HISTORICAL MONUMENTS
MORTAR FOR TREATMENT OF GAPS WITHIN PLASTERING AND SUPPORT OF MURAL PAINTINGS IN HISTORICAL MONUMENTS
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机译:砂浆在历史遗迹中的粉刷和黏贴的支持
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摘要
The invention relates to a mortar for the treatment of gaps occurring within the plastering and support of the mural painting in historical monuments. According to the invention, the mortar comprises: 40...70% hydrated calcium lime, 25...35% porcelanite - naturally burnt red clay and 0...35% white or coloured limestone and river sand, in a lime-porcelanite-limestone : sand gravimetric ratio of 1:1.17, the percentage being expressed by weight, the resulting mortar having an apparent density of 1.61...1.75 g/cmand a resistance to compression of 3...3.8 MPa.
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