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 Natural asphalt but when you take from beside of mide 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.

Analayze of Gilsonite

NO.

Test (wt%)

Test method

Test result

1

Ash content

ASTM- D3174

1~15%

2

Moisture content

ASTM- D3174

1%

3

Solubility in CS2

ASTM-D4

85~98

4

Volatile matler 900C/min

ASTM 3175

44

5

C

Element Analyzer

54

6

H

Element Analyzer

6.5

7

N

ASTM-D3228

0.68

8

S

IP242

4+2

9

O

Element Analyzer

5.1

10

Softening point

--------------

180-230

 


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