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    Natural Cementing Bitumen

    • Supply TypeExporter, Supplier
    • Preferred Buyer Location All over the world

    Procured from dependable vendors and available at modest rates, our Natural Cementing Bitumen is favored by customers across the world. As a reliable Exporter and Supplier from Austria, we ensure....
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    Company Information

    • calendar Member Since 13 Years
    • building Nature of Business Supplier
    • Year of Establishment 2000

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    Procured from dependable vendors and available at modest rates, our Natural Cementing Bitumen is favored by customers across the world. As a reliable Exporter and Supplier from Austria, we ensure that customers get only the best quality product. Hence, our quality analysts examine the Natural Cementing Bitumen on various parameters before approving it for delivery.

     

    Details :

    • A cement produced by Gilsonite is suitable for blocking or plugging an abandoned pipeline or back filling a mine shaft, tunnel or excavations contains Portland cement or a mixture of at least two components selected from Portland cement, A cementitious slurry, formulated from the cement mix, may have a density less than or equal to 1500 kg/m3, and exhibits good compressive strength.
    • In the formulation of the cementing composition of the invention, it is preferable to employ gilsonite in an amount ranging from approximately one-half to approximately ten times by volume the amount of the cement utilized, depending upon the particular result desired.
    • The lower range is employed where maximum strength is important; the higher range where the various qualities imparted by the gilsonite are most important.
    • Particle size and particle size distribution of the gilsonite determine the strength and porosity-permeability characteristics of the set cement for any given mix ratio.
    • Where maximum strength is desirable, a coarse gilsonite Where lightest weight and lowest porosity-permeability are important and strength is to be sacrificed or is of little importance, an aggregate of minus 50 mesh or finer may be used.
    • Conditions are often encountered in the field requiring various combinations of particle size and particle size distribution. The above examples represent extremes. The mix must, however, always be pumpable through the system from the mixing point to the final point of placement of the cement slurry. The coarser the aggregate, the less that may be present in any given slurry without impeding pumpability.
    • For example, a cement-gilsonite ration of 1:4, using the coarse aggregate specified above, is difficult to pump and is likely to plug restricted passages in the system, whereas the same mix, using the fine aggregate specified above, will never plug if the water-cement ratio is high enough.
    • An amount of a petroleum solvent which depends upon the amount of gilsonite present, may be added to the wet or dry mix for wetting the surface of the gilsonite particles and causing them to form an intimate bond with casing and earth formations of the bore hole, thus preventing corrosion and minimizing pulling away of the cement from the casing and/or bore hole wall by reason of the shrinkage normal to setting of the cement.
    • Instead of adding the solvent directly to the mix, it may be pumped through the casing and into the cementing zone in advance of the gilsonite-cement slurry.


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