Linotype or
eutectic alloy
A eutectic system or eutectic mixture ( ) is a type of a homogeneous mixture that has a melting point lower than those of the constituents. The lowest possible melting point over all of the mixing ratios of the constituents is called the ''eut ...
is a broad name applied to five categories of
lead
Lead () is a chemical element; it has Chemical symbol, symbol Pb (from Latin ) and atomic number 82. It is a Heavy metal (elements), heavy metal that is density, denser than most common materials. Lead is Mohs scale, soft and Ductility, malleabl ...
alloy
An alloy is a mixture of chemical elements of which in most cases at least one is a metal, metallic element, although it is also sometimes used for mixtures of elements; herein only metallic alloys are described. Metallic alloys often have prop ...
s used in manufacture of
type, especially for the
Linotype machine
The Linotype machine ( ) is a "line casting" machine used in printing which is manufactured and sold by the former Mergenthaler Linotype Company and related It was a hot metal typesetting system that cast lines of metal type for one-time use. Li ...
, each with three to five sub-classifications.
One alloy is composed of lead with 4% tin and 12% antimony.
References
Lead alloys
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