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Micronized Ground Calcium Carbonates

Micronized Ground Calcium Carbonates | 5-4-3-2-1 & highlight Cretaceous

Our micronized ground calcium carbonates may be widely used for pipes and connections production, polyethylene, inks, polypropylene, resins, master batch, PVC composites manufacturing, thermoplastic rubbers, synthetic marble manufacturing (sinks, bowls and washbasins), ceramics, glasses, inks, varnishes, papers, plastics, polypropylene, PVC, toothpaste, chewing gum, animal feed, and inert silicate substitutes in bird digestion, offering exchange and absorption of Ca++ and Mg by the bird organism. Furthermore, they may be used in cables (composite), application in film/skin.

Cretaceous are efficient for wire and electric cable coatings, rolled products, rigid tubes and sections, hoses and plastic sections, conduit, plastisol for plain surfaces, resulting in optimum quality of foam cells.

SPECIFICATIONS TYPICAL OF CALCIUM CARBONATES
Characteristics PROfine 1 PROfine 2 PROfine 3 PROcarb 3 PROcarb 4 PROcarb 5
CaCO3 (%) 80 mín. 80 mín. 80 mín. 80 mín. 80 mín. 80 mín.
MgCO3 (%) 18 máx. 17,5 máx. 17,5 máx. 17 máx. 17 máx. 17 máx.
Insoluble in HCL - RI (%) 2,0 máx. 2,5 máx. 2,5 máx. 3,0 máx. 4,5 máx. 4,5 máx.
Median Size (μ) = d50 1,80 - 2,00 2,30 - 2,80 3,00 - 4,00 3,00 - 4,00 4,00 - 5,50 5,00 - 6,50
Superior Court 97% (μ) = d97 7,0 máx. 12,0 máx. 12,0 máx. 12,0 máx. 15,0 máx. 25,0 máx.
Retetion in 400 mesh (%) 0,00 0,00 0,00 0,05 0,20 0,50
Retetion in 500 mesh (%) 0,10 máx. 0,10 máx. - - - -
Sedimentation in 10g/10min(ml) 86 mín. 78 mín. 66 mín. 66 mín. 30 mín. -
Humidity(%) 0,30 máx. 0,30 máx. 0,30 máx. 0,30 máx. 0,30 máx. 0,30 máx.
Apparent Density (g/cm³) < 0,90 < 1,0 < 1,2 1,0 - 1,2 1,0 - 1,2 1,2 - 1,5
Absorption rate in PDO(%) < 42 < 38 < 35 < 35 < 34 < 33
Whiteness(%) > 96 > 96 > 95 > 95 >= 95 > 95
SiO2 (%) 1,1% máx. 1,4% máx. 1,4% máx. 1,4 máx. 1,4 máx. 2,5 máx.
Hardness (mohs) 3 3 3 3 3 3
Density (g/cm³) 2,7 2,7 2,7 2,7 2,7 2,7
pH (%) 9 - 10 9 - 10 9 - 10 9 - 10 9 - 10 9 - 10

 

 

SPECIFICATIONS TYPICAL OF CALCIUM CARBONATES CRETACEOUS
Characteristics CRETAFINE 1 CRETAFINE 2 CRETAFINE 3
CaCO3 (%) 95,0 mín. 95,0 mín. 95,0 mín.
MgCO3 (%) 5,0 máx. 5,0 máx. 5,0 máx.
Insoluble in HCL - RI (%) 1,0 máx. 1,0 máx. 1,0 máx.
Median Size (μ) = d50 1,60 - 1,90 2,00 - 2,50 3,00 - 4,00
Superior Court 97% (μ) = d97 8,0 máx. 10,0 máx. 20,0 máx.
Retention in 400 mesh (%) 0,00 0,00 0,10 máx.
Retention in 500 mesh (%) 0,10 máx. 0,10 máx. -
Sedimentation in 10g/10min(ml) 70 mín. 60 mín. 50 mín.
Humidity(%) 0,30 máx. 0,30 máx. 0,30 máx.
Apparent Density (g/cm³) < 0,80 < 0,90 < 1,10
Absorption rate in PDO (%) < 35 < 30 < 25
Whiteness(%) > 85 > 85 > 85
SiO2 (%) 1,1% máx. 1,4% máx. 2,0% máx.
Hardness (mohs) 3 3 3
Density (g/cm³) 2,7 2,7 2,7
pH (%) 9 - 10 9 - 10 9 - 10

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