Corrosion
Protection
Corrosion
Protection
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| Lead's
high corrosion resistance has establishes it as the standard material
for the linings of tanks, vats, agitators and similar types of equipment, in
chemical and industrial plants. Sheets of lead, being malleable and
ductile, make field fabrication easy. It can be readily shaped to comform
to the interiors and exteriors of chemical equipment.
The table below lists some of the chemicals resisted by lead. One of its principal uses has been to resist sulfuric acid. At room temperature, the metal is not attacked by up to 85% concentrated sulfuric acid under quiescent conditions. It has also been very successful in the containment and handling of phosphoric and hydrofluoric acids and for handling sulphite solutions in the paper industry. Most importantly, sheet lead's relatively low initial cost and high salvage value make it very economical. |
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