|Memorial Plaques - A Tutorial - Materials
Bronze memorial plaques are manufactured using sand molds
in a state-of-the-art foundry from raw ingot alloyed in the following
Equivalent to Copper Development
Association Alloy C92200;
88% copper, 6% tin, 4% zinc, 2% lead.
plaques are the choice for interior as well as exterior
applications. Although the finish of bronze will naturally patina over
time, the material itself will not deteriorate. Objects made from
have been found submerged in seawater for over 3000 years still in
weight of a bronze plaque may be roughly estimated by calculating the
plaque's volume in inches (height x width x depth) x .31. For most
plaques (under 36" x 30") allow .25" as the approximate depth. Use .375"
for plaques over 36" x 30".
Example: For a 36" x 24" plaque calculate 36" x 24" x .25" =
216 cu. inches x .31 = 66.96. The plaque's estimated weight would be
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