Marmifera Mineraria s.r.l. > Prodotti > Calcium Carbonates > Ultrafine white max cristallyne Calcium Carbonate

Natural high quality calcium carbonate with crystal structure (Calcite), produced from sedimentary limestone rocks of the province of Trapani. Among the main features of the ultra-fine white max crystalline calcium carbonate we can list:
Uniform size distribution: provides an excellent consistency and mixing regularity homogenizing and integrating the features of products with which it is mixed;

• Low bulk density;
• Low absorption that allows a binders sparing effect;
• Very high White Point;                    

This is a pure calcite with high resistance to weather conditions, which does not react negatively in the various applications.

Primary applications

Water-based paints(indoor and outdoor), plastic Plasters, Leaks and Adhesives, Stucco, P.V.C. compounds, rubber compounds, Resin compounds, Plastics, Paper, Sulfur, insulating bottoms, Chemicals, Detergents, hand cleaning paste, Foundries, Glass factories, Farming, Compound in cultivation of mushrooms, acidity regulator in products for vegetables

MARMICARB 1 G.M. B.M.

Chemical analysis
CaCO3 > 99,50%

Particle size analysis
90 % smaller of 13,05 µm

Bacteriological tests
Absence of organic substances
    
Luminance: Y 93,73%
Color coordinates x=0,3127 y=0,3191    (MgO=100)

Physical - Chemical Characteristics
Specific gravity (granulate) 2,708 kg/dm3
Apparent specific gravity (without settlement) 0,658 kg/dm3
Apparent specific gravity (with settlement) 0,854 kg/dm3
Shape of calcite crystals: rhombohedral
Hardness(Mohs) (granulate) 3
Oil absorption (linseed oil) 18,06 % m/m
Water absorption (distilled) 26,40 % m/m

MARMICARB 2 G.M. B.M.

Chemical analysis
CaCO3 > 99,50%

Particle size analysis
90 % smaller of 15,07 µm

Bacteriological tests 
Absence of organic substances
    
Luminance: Y 94,02 %
Color coordinates x=0,3136 y=0,3182    (MgO=100)

Physical - Chemical Characteristics
Specific gravity (granulate) 2,708 kg/dm3
Apparent specific gravity (without settlement) 0,656 kg/dm3
Apparent specific gravity (with settlement) 0,911 kg/dm3
Shape of calcite crystals: rhombohedral
Hardness(Mohs) (granulate) 3
Oil absorption (linseed oil) 19,40 % m/m
Water absorption (distilled) 27,50 % m/m

MARMICARB 6 G.M. B.M.

Chemical analysis
CaCO3 > 99,50%

Particle size analysis
90% smaller of 24,82 µm

Bacteriological tests
Absence of organic substances
Luminance: Y 95,61%
Color coordinates x=0,3118 y=0,3189    (MgO=100)

Physical - Chemical Characteristics
Specific gravity (granulate) 2,708 kg/dm3
Apparent specific gravity (without settlement) 0,806 kg/dm3
Apparent specific gravity (with settlement) 1,119 kg/dm3
Shape of calcite crystals: rhombohedral
Hardness(Mohs) (granulate) 3
Oil absorption (linseed oil) 20,80 % m/m
Water absorption (distilled) 26,90 % m/m

MARMICARB 85 G.M. B.M.

Chemical analysis
CaCO3 > 99,50%

Particle size analysis
90% smaller of 68,79 µm

Bacteriological tests 
Absence of organic substances

Luminance: Y 90,49%
Color coordinates x=0,3163 y=0,3193 (MgO=100)

Physical - Chemical Characteristics
Specific gravity (granulate) 2,684 kg/dm3
Apparent specific gravity (without settlement) 1,047 kg/dm3
Apparent specific gravity (with settlement) 1,246 kg/dm3
Shape of calcite crystals: rhombohedral
Hardness (Mohs) (granulate) 3
Oil absorption (linseed oil) 21,40 % m/m
Water absorption (distilled) 22,50 % m/m

The above is informative. Therefore the user is recommended to do tests and processing controls.
Special attention should be paid to the moisture absorbed by the material, post production, because of its hygroscopicity consequence of the high % of fine particles contained in it.