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Unit of Measure

Specifications

Total Zinc (% minimum)

 N/A 98 %
Metallic Zinc (% minimum)1 N/A 94 %
Iron (% maximum)2 N/A 0.15 %
Lead (% maximum)3 N/A 0.005 %
Copper (% maximum)4 N/A 0.05 %
Cadmium (% maximum)5 N/A 0.001 %

Insolubles

 N/A 0.005 %

Zinc Oxide

 N/A Bal.
Retained on 100 mesh screen6 N/A 0 %

Retained on 200 mesh screen

 N/A 0.2 %

Retained on 325 mesh screen

 N/A 10 %

Specific Gravity

 N/A 7.00-7.12

Physical and Chemical Properties

Physical State

 N/A Blue-grey powder

Odour

 N/A Odourless

Specific Gravity

 N/A 7.0 – 7.1

Melting Point

 N/A 419 ºC

Boiling Point

 N/A 906 ºC

Explosive Properties

 N/A No risk under normal use and conditions

Handling and Storage

N/A Avoid spillage. Keep nuisance dust cloud formation to a minimum. No smoking while handling.Store sealed at room temperature in dry areas indoors.

Stability and Reactivity

N/A Condition To Avoid: Heat, flames, ignition sources and incompatibles like sulphur, strong oxidizing agentsand alkaline hydroxides.
Hazardous Decomposition: Heat generates zinc oxide fume. Contact with acids or alkaline hydroxides maygenerate hydrogen gas, which is flammable. Reactivity with water is similar but very slow. Under normalconditions, zinc dust is stable.

  • 1 ASTM Test Method D521, Test Method for Chemical Analysis of Zinc Dust, Titration method.
  • 2 ASTM Test Method E 536, Test Method for Chemical Analysis of Zinc Dust, AA Sectrophotometer.
  • 3 ASTM Test Method E 536, Test Method for Chemical Analysis of Zinc Dust, AA Sectrophotometer.
  • 4 ASTM Test Method E 536, Test Method for Chemical Analysis of Zinc Dust, AA Sectrophotometer.
  • 5 ASTM Test Method E 536, Test Method for Chemical Analysis of Zinc Dust, AA Sectrophotometer.
  • 6 ASTM Test Method B 214, Test Method for Sieve Analysis of Metal Powders.