Putty-powder is a pulverised oxide of tin sometimes mixed with oxide of lead. It is extensively used for polishing and other purposes in glass and marble works. Research Putty-Powder
Putty is a kind of paste or cement compounded of whiting or soft carbonate of lime and (usually) linseed oil, beaten or kneaded to the consistency of dough. It is used by glaziers for fitting window panes and also by house painters to stop up holes in wood-work prior to painting. Research Putty
Chalk is a pure soft limestone, opaque white, and usually formed by the accumulation of the shells of foraminifera together with those of larger marine organisms. Chalk is found in large quantities in land masses which were at one time covered by the sea. Chalk is composed of between 50 and 98 percent calcium carbonate and various of minerals including clay, hematite, mica, quartz and pyrite. Chalk is important in industry and is used in the manufacture of rubber goods, paint, putty, polishing powders, cement, as well as the familiar writing implements beloved by school teachers. Research Chalk
Lime plaster is a type of plaster used as a thin skimming coat for walls and ceilings. Lime plaster is produced by slakingquicklime by means of adding water to it, the milk of lime which is obtained being sieved and allowed to stand for two weeks during which time it fattens into 'lime putty'. As it dries, lime plaster absorbs carbon dioxide from the atmosphere to form a firm, compact layer of calcium carbonate. Research Lime Plaster
Lime water is a weak solution of lime putty dissolved in water used in decorating for washing down painted surfaces prior to repainting. Lime water is less aggressive towards grease than sugar soap, but less harmful to existing paintwork. Care should be taken not to allow the lime water to dry, but rather to rinse it off with clean water, lest the lime remains and reacts with the paint later applied. Research Lime Water
Mastic is a waterproof, plastic, putty-like substance used as a filler, sealant and jointing material that is plastic when applied and remains flexible after it dries. Mastic is used by builders, civil engineers and decorators and generally consists of bitumen, tar, resin, rubber or oil mixed with an inter fibrous or powdered filler. Research Mastic
Whiting is a material prepared by grinding and pulverising natural chalk. Whiting loses its opacity when mixed with water, but regains it when the water evaporates. Whiting is unaffected by the alkaline properties of new plaster and is used in the preparation of distempers. Whiting mixed with raw linseed oil forms putty. Research Whiting
The Probert Encyclopaedia was designed, edited and programed by
Matt and Leela Probert
Abbreviations
Research Putty-Powder
