In printing, type metal (sometimes called hot metal) refers to the metal alloys used in traditional typefounding and hot metal typesetting. Lead is the main constituent of these alloys. Antimony and tin are added to make the character produced durable and tough while reducing the difference between the coefficients of expansion of the matrix and the alloy.
Read more about Type Metal: History, Required Characteristics, Composition of Type Metal, Alloys For Mechanical Composition, Historic References To Type Metals
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