Gilsonite Specification:
| Color in Mass | Black |
| Color in Streak or Powder | Brown – Dark Brown |
| Moisture Content | 0.5 – 1 |
| Specific Gravity @ 77°F | 1.04-1.06 |
| Hardness (Moh’s Scale) | 2 |
| Penetration | 0 |
| Volatility, Weight %, | |
| 5 Hours @ 325°F< | 2% |
| 5 Hours @ 400°F< | 4% |
| 5 Hours @ 500°F< | 5% |
| Acid Value | 2.3 |
| Saponification Value | 5.6 |
| Iodine Number | 0 |
| Heat of Combustion | 17,900 Btu / lb. |
| Heat of Fusion | 9990 Btu / lb. |
| Specific Heat of Solid Phase | 0.52 Btu / lb. / °F |
| Specific Heat of Liquid Phase 0.61 Btu / lb. / °F | |
| Glass Transition Temperature, Tg 185-225 °F | |
| Bulk Density, Lump | 40 lbs. / ft3 |
| Electrical Resistivity | 4.0 x 1012 ohm-cm |
| Viscosity, Brookfield | |
| @ 375°F | 55,000 cps |
| @ 400°F | 22,800 cps |
| @ 425°F | 6,600 cps |
| @ 450°F | 2,800 cps |
Typical Elemental Analysis, Weight %
| Carbon | 84.9% |
| Hydrogen | 10% |
| Nitrogen | 0.01% |
| Oxygen | 1.4% |
| Trace Elements | 0.1% |
Our company according to its experience has the ability to supply you in all of these above grades with high quality for exporting to all countries of Europe, Africa, Asia and America.
Gilsonite Specification physical
THE NORMAL SPECIFICATION OF GILSONITE WITHOUT ANY REFINING ON IT WOULD BE AS BELOW PLEASE REMEMBER THAT FOR EACH USAGE WE MUST DO SOME REFINING ON GILSONITE AND SO ITS SPECIFICATION WILL CHANGE.
Gilsonite Specification Chemical
| Moisture (AGC Method) | 0.5-1% |
| Penetration (25?C, 100 gm, 5 sec.) | 0 |
| Color in Mass | Black |
| Sulfur | 3-3.3% |
| Specific Gravity | 1.05 |
| Fixed Carbon | 15% |
| BTU per pound | 16,000-18,000 |
| Volatile Combustible Matter at 1900 F, ASTM | D271-475-81% |
| Lustrous Carbon Content | 25-35% |
| Coking Value | 20-25% |