natural bitumen

Truckload
One Ton Jumbo Bag 
500 Kg   Jumbo Bag
25 Kg    Double Layer Plastic Bag

PACKING

Gilsonite - Natural Bitumen
HS.CODE: 27149000
Specification 
Ash             <1% 10% 14%,
Moisture      1.5%
mesh size     30-50mesh in Powder
                  0-10mm in Lump
Grades
Asphalt, Bitumen Grade
Inking Grade 
Drilling Grade

Composition
Carbon                     84 Min .(WT.PERCENT)
Sulphor                     3 Min
Hydrogen                  1.5 Min
Oxygen                     1.09 Min 
Nitorogen                  1.02 Min
Toluene                    21.85 Approx.
Solubity In CS2          39.53 +/- 1Min.
Solubity In Benzene    31 Min
Solubity In Methanol   0.5 Min
Solubity In Ethanol     1-2 Min
Miosture                   0.05 Min
Softening Point          200+DEG. CEN. APPROX
Denisty                     0.070 gm per cubic centimeter
Particle Size (Natural)  0-800 MM

Nattural bitumen is extracted from Alberta oil sand deposits that are too deep to surface mine by a process known as steam-assisted gravity drainage (SAGD);. Production wells could produce in excess of 2,000 barrels of bitumen per day. In 2001, about 735,000 barrels per day were extracted by mining and by in-situ production from Alberta oil sands.

Natural bitumen (often called tar sands or oil sands) and heavy oil differ from light oils by their high viscosity (resistance to flow) at reservoir temperatures, high density (low API gravity), and significant contents of nitrogen, oxygen, and sulfur compounds and heavy-metal contaminants. They resemble the residuum from the refining of light oil. Most heavy oil is found at the margins of geologic basins and is thought to be the residue of formerly light oil that has lost its light-molecular-weight components through degradation by bacteria, water-washing, and evaporation.

Bitumen is older than the civilization of mankind. Although now associated with roads and produced in large, complex, modern refineries, natural bitumen was found long before this, among the desert dunes of Arabia.

History
The Romans called it gwitu-men (pertaining to pitch) or pixtu-men (bubbling pitch), converted, after the barbarian invasions to bitumen. The word passed into French, and then, after the Norman conquest of England in 1066, into English, where it was used interchangeably with tar for over a thousand years (though tar derives from coal, and bitumen from petroleum). 
 
Application

The earliest recorded use of something like bitumen was by the Sumerians, followed by  the Babylonian King Nebuchadnezzar, for waterproofing and even as grouting for stone roads.
 
The use of bitumen spread further West, and the Bible records a bituminous substance (tar, asphalt or bitumen, depending on the translation) was used in building the Tower of Babel.
 
In 1595 Sir Walter Raleigh discovered a thick viscous lake in the jungles of Trinidad. This was to be the largest natural deposit of bitumen ever found and was used extensively until the mid 1970s.