Читать книгу Henley's Formulas, Recipes and Processes (Applied Chemistry) - Various - Страница 281
Tin Alloys: Alloys For Dentists’ Molds And Dies.
Оглавление—I.—Very hard. Tin, 16 parts; antimony, 1 part; zinc, 1 part.
II.—Softer than the former. Tin, 8 parts; zinc, 1 part; antimony, 1 part.
III.—Very hard. Tin, 12 parts; antimony, 2 parts; copper, 1 part.