Limestone Lumps

Business Type Manufacturer, Exporter, Supplier, Retailer, Wholesaler

Preferred Buyer From

Location Worldwide
Also named as Lime stone, natural stone, raw lime stone, Limestone Lumps, offered by us, find their application in diverse industrial segments. We have our own mines of high grade limestone. Mining work to extract premium Limestone Lumps is done on a large scale using latest technology, equipment and under experienced and well-trained engineerĂ¢€™s supervision. Clients can get bulk quantities of Limestone Lumps at reasonable rates from us.

Chemical Name : calcium carbonate

Chemical Formula : CaCO3

Grades Of Limestone Lumps Used In Different Industries :
  • Cement industry :
    • Limestone containing about 45% CaO and above is usually preferred for the manufacturing of cement
    • Magnesia content in the stone should ideally be less than 3%, although as high as 5% MgO is used by the industry
    • The proportion of AI2O3 + Fe2O3: SiO2 should be 1:2:5. Magnesia sulphur and phosphorus are regarding as most undesirable impurities
  • Iron & Steel industry : Limestone Lumps are used in this industry both in the blast furnace to lower the temperature of melting and second to from calcium silicate by combining with silica of the iron ore, which comes out as slag. For this purpose, good fluxing Limestone Lumps low in acid constituents such as silica, alumina, sulphur and phosphorus is required. Limestone Lumps should be dense, massive, preferably fine grained, compact and non-fretting on burning.
  • Chemical industry : The calcium carbide manufactures generally prefer lime containing 95% CaO (min.), not more than 3% SiO2, not exceed 2%
  • Glass industry : Glass industry requires Limestone Lumps (CaCO3: 94.5%). Combined CaCO3 and MgCO3 should be 97.5%
  • Fertilizers industry : The latest use of Limestone Lumps are introduced in the country is in the manufacture of calcium ammonium fertilizers where Limestone Lumps are used only as carrier. For this purpose, Limestone Lumps must contain MgCO3 + CaCO3 85% (min.) SiO2 5% (max.) and acid in-soluble 14% (max.)

Composition :
  • CaCO3 : 85 % -97%
  • CaO : 48% - more than 54%
  • SiO2 : Below 1%

Also Available in Range : Powder and Chips

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