Gilsonite can be used in foundry sands as a carbon additive instead of sea coal, which is the conventional item for this application.
A new application for Gilsonite has risen within the past 10 years, and that is using natural bitumen as a raw material to make petroleum bitumen. Basically petroleum bitumen is made from sludge or slurry, obtained from the bottom of distillation tank, at the oil refinery. Slurry is transferred to bitumen manufacturing facilities to get processed into Petroleum Bitumen, also called Penetration Bitumen.
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