Gilsonite is black and natural rock asphalt that can be pulverized and melted to use in the ink, drilling fluid, asphalt and foundry industry. Gilsonite chemical makeup is a complex mix of elements that include sulfur, carbon, oxygen, hydrogen and nitrogen, as well as small quantities of other elements.
date_rangeJul 06' 2018 / China
date_rangeJun 02' 2018 / Russia
date_rangeMay 28' 2018 / Russia
date_rangeMay 23' 2018 / Russia