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Home › Adhesives, Paints, and Varnishes › Adhesives, Paints, and Varnishes: Thin
Adhesives, Paints, and Varnishes: Thin
To Thin Oil Paint with Water.- Dissolve 1 pound of gum shellac in 3 pints of water, adding 1/2 pound of sal soda or a little more if necessary, and stir until all is dissolved. When cold, bottle for use. Instead of turpentine or benzine thinners, add to oil paints of any kind 1 pint of the gum shellac mixture to 2 quarts of oil paint. Afterwards thin with water to any desired consistency. SPECIAL KINDS OF PAINT Lime Paint.-A mixture combining the qualities of paint with those of whitewash may be made with slaked lime as a basis by the addition of various materials, as milk, whiting, salt, alum, copperas, potash, ashes, sand, and pitch, with or without a small proportion of white lead and linseed oil. These mixtures are more durable than whitewash, but have less finish than white lead and oil.
The cost is intermediate between the two.
To prepare a lime paint, slake lime with water and let dry to the consistency of paste. Thin with skimmed milk to the proper thick- ADHESIVES, PAINTS, AND VARNISHES ness to lay on with a brush. Add said to be more durable than ordicoloring matter as desired. Or slake 4 ounces of lime with water to the consistency of cream and stir into it 4 quarts of skimmed milk. Sprinkle on the surface through a sieve 5 pounds of whiting. Let this gradually sink, then stir and rub together thoroughly and add coloring matter as desired. The casein or curd of milk, by the action of caustic lime becomes insoluble and produces a paint of great tenacity suitable for farm buildings, cellars, walls, and all rough outdoor purposes Apply with a paint brush. Two or three coats will be necessary. The above quantity is sufficient for 100 square yards.
Or slake stone lime in a cask or barrel with boiling water. Cover it to keep in the steam. Sift 6 quarts through cheese cloth or a fine sieve, add 1 quart of coarse salt and 1 gallon of water. Boil and skim the mixture clear. While boiling, stir in for each 5 gallons of this mixture 1 pound of alum, ½ pound of copperas, pound of potash, and 4 quarts of finely sifted ashes or fine sand. Add these ingredients slowly and stir vigorously until all are incorporated. Remove from the fire and add any coloring matter desired.
Or slake 8 ounces of lime and let stand exposed to the air 24 hours.