Corrosion Protection

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Lead’s high corrosion resistance has established it as the standard material for the linings of tanks, vats, agitators and similar types of equipment, in chemical, plating and industrial plants. Sheets of lead, being malleable and ductile, make field fabrication easy. It can be readily shaped to conform 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.

Applications:

  1. Waste plants, waste treatments, incinerators
  2. Acid handling and storage
  3. Chimney linings
  4. Sewer drains
  5. Autoclaves
  6. Precipitator tubes
  7. Precipitators
  8. Gluver towers

Availability:

  1. Sheet Lead in roll or flat form available in standard and custom dimensions.
  2. Lead pipes and tube standard and custom diameters, wall thicknesses and lengths.
  3. Cast lead washers and flanges.

Chemical lead has excellent corrosion resistance to many chemicals, both organic and inorganic

  1. Acetic acid
  2. Acetone
  3. Acetylene
  4. Adipic acid
  5. Ammonia
  6. Ammonium hydroxide
  7. Ammonium sulfate
  8. Barium chloride
  9. Barium sulfate
  10. Barium sulfide
  11. Benzene
  12. Boric acid
  13. Cadmium sulfate
  14. Calcium acid phosphate
  15. Calcium bisulfite
  16. Calcium carbonate
  17. Calcium sulfate
  18. Carbon dioxide
  19. Carbonates (soluble)
  20. Chlorinated polyvinyl chloride
  21. Chlorobromomethane
  22. Chloroform
  23. Chromic acid
  24. Copper sulphate
  25. Dichlorobenzene
  26. Ethyl alcohol
  27. Ethyl ether
  28. Ferrous sulphate
  29. Formaldehyde
  30. Hydrogen sulfide
  31. Lithium chloride
  32. Magnesium sulfate
  33. Methyl alcohol
  34. Nickel sulfate
  35. Nitrocellulose
  36. Oxidizing gases
  37. Phosphates
  38. Phosphorus oxychloride
  39. Potassium sulphate
  40. Pyridine
  41. Sodium bifluoride
  42. Sodium bisulfate
  43. Sodium bisulfite
  44. Sodium chloride
  45. Sodium cyanide
  46. Sodium phosphate
  47. Sodium sulfide
  48. Sodium sulfite
  49. Sulfur dioxide
  50. Sulfur trioxide
  51. Sulfuric acid
  52. Tannic acid
  53. Tartaric acid
  54. Tetrachloroethane
  55. Thionyl chloride
  56. Urea
  57. Water
  58. Zinc carbonate
  59. Zinc sulfate

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