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METHODS OF MANUFACTURE OF PREPARATIONS FOR GLASSES

If there is no ready putty, you can prepare it yourself. for a quality putty, 1 part of linseed oil of natural or linseed oil will also need 4-5 elements of chalk . Chalk is used fully dry, sifted on a frequent sieve. Instead of a sieve, you can use a kapron stocking. The thinner the chalk is also, the higher the quality of the putty.

On a metal sheet or plywood a thin layer is scattered, the chalk is also poured over the top with a drying oil so that a large surface can be soaked as if. If you pour oil in the middle of a pile of chalk, then it takes more time to mix. The chalk moistened with linseed oil is rolled up with a spatula or a spatula to the middle of the metal sheet or plywood is additionally mixed by hands. At first it will seem that the drying oil is not enough and the putty is obtained dry. This impression is deceptive. Long-lasting mixing works putty soft also plastic. The prepared putty should be completely homogeneous (without chalk strips additionally drying oil), should not stick to hands either to the knife, and on a cut to own a smooth bright surface.

During the preparation, putty can be dyed in the desired paint. for this purpose it is necessary to add a white or other paint to stir additionally up to a working consistence. If dry paints are added to the putty, they are best mixed with chalk, but densely packed with linseed oil. If the putty has turned liquid, it should be added a little chalk, if thick - linseed oil, but then to change hands.

There are also other prescriptions for putty, which you can prepare yourself

Recipe number 2 : 7 parts of sifted chalk, 8 elements of fine river sand, as well 2 elements of drying oil oxol.

Recipe # 3: 5 elements of sifted wood ash, 4 parts of cement, 4 elements of grease or nigrol (motor lubricating oil).

Recipe # 4: 11 pieces of chopped sifted clay or lime-pushers and 5 tar elements (when using this recipe, one should be aware that tar paints can not be painted with oil colors, as if dark spots appear).

Putties on linseed oxol also on tar are prepared similar to the main recipe. Putty with grease or nigrol is prepared as follows. In the melted grease, the ash is added and mixed. Then, continuously stirring, add cement. Such putty is used at once after preparation in a warm form.