calcined dolomite sale prices 1.natural ,clacined 2.used in paint rubber glass foundry 3.powder , granular 4.best price

 dolomite

1. product name : dolomite

Chemical composition of dolomite is CaMg[CO3]2, the crystal is the trigonal system carbonate minerals. The crystal structure and the calcite are similar, and the crystal form is the rhombohedra, the crystal face is often curving becomes saddle, with common polyflake and macle, assumes block or granular aggregation.The purity is white with glassy luster. Dolomite is used as the ingredient of metallize flux, refractory material, building material, glass and ceramic. Hardness is 3.5 – 4 , specific gravity is 2.8-2.9.  

natural dolomite specification :

CaO	30.9%
MgO	21.33%
SiO2	0.8%
S	0.001%
P	0.0011%
Fe2O3	0.12%
AL2O3	0.21%
Cr2O3	0.001%
Ni	0.001%

Our calcined dolomite is made of good quality dolomite as raw material ,sintered in extra high temperature retary kiln,chearacterized by higy chemical purity ,good degree of sintered ,great resistance to slag and hydration .It's indeed ideal raw materials of high calss  magnesia -calcium-carbon bricks,magnesia-dolomite brick,gunning refractory of converter ect.

  We are offering Calcined Dolomite as per following specification:

CaO                            :                  +50%MgO                           :                  +30% SiO2                            :                  1-3%S                                :                  +3%

LOI                             :                  6% Max Grain Size                     :                  20-80 mm , 10-20 mm LF                               :                  10%Moisture                       :                  1.5% MaxOther (P,Al)                  :                  <2%B.D                             :                  1 Ton/ M³Reactivity                     :                  60º C 350 ml 4 n Hcl/ 2 minPacking                        :                  1 Mt. jumbo bag

  

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calcined dolomite sale prices