Читать книгу Henley's Formulas, Recipes and Processes (Applied Chemistry) - Various - Страница 43
To Cement Glass To Iron.—
Оглавление| I.— | Rosin | 5 ounces |
|---|---|---|
| Yellow wax | 1 ounce | |
| Venetian red | 1 ounce |
Melt the wax and rosin on a water bath and add, under constant stirring, the Venetian red previously well dried. Stir until nearly cool, so as to prevent the Venetian red from settling to the bottom.
| II.— | Portland cement | 2 ounces |
|---|---|---|
| Prepared chalk | 1 ounce | |
| Fine sand | 1 ounce | |
| Solution of sodium silicate enough to form a semi-liquid paste. | ||
| III.— | Litharge | 2 parts |
| White lead | 1 part |
Work into a pasty condition by using 3 parts boiled linseed oil, 1 part copal varnish.