Gilsonite analysis

Iran Gilsonite analysis and specification is variable depend on mine and location of the Gilsonite Zone. Normally if you explore from core of Gilsonite mine there is less impurity in gilsonite but when you take from beside of mine there are too much impurity and soil including the mineral bitumen and it should be separated before pulverizing to powder.

The impurities will effect to quality and specification of goods and damage properties of Gilsonite.

Analyze of Gilsonite


Test (wt%)

Test method

Test result


Ash content

ASTM- D3174



Moisture content

ASTM- D3174



Solubility in CS2




Volatile matler 900C/min

ASTM 3175




Element Analyzer




Element Analyzer












Element Analyzer



Softening point




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