In carbon bonded refractory articles, Tar and Pitch are used as a carbon provider, and for making easier molding process, but when we seek a refractory article free from iron contamination, the question would be '' Could Tar or pitch be free from iron contamination? ''
Bayan Hussien
Well,
For example you can find what you need in the attach file.
Sincerely
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S Kalaiselvan
Dear Sherif Sobhy
Generally, iron obtained from iron oxide ore which is stable form when we process, agitate, or undergoes some other chemical modification definitely iron tend to go back to its stable form of oxide In tar or pitch iron may be in the form of iron oxide
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