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Omya COVERCARB® 85 Calcium Carbonate

Category Ceramic
Manufacturer Omya North America
Trade Name COVERCARB®
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
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Material Notes:
An ultrafine ground calcium carbonate for paper and board coating that is designed to provide maximum opacity and maximum gloss. It is an excellent choice to reduce the demand for expensive pigments including plastic pigments, TiO2, and calcined clays.Information supplied by Omya North America.
Physical Properties Metric English Comments
Solids Content 71.5 %
71.5 %
Slurry Solids
Brightness 96 %
96 %
T534 om-76 Brightness (Diffuse Reflectance)
Loss On Ignition 0.000 %

@Temperature 400 °C
0.000 %

@Temperature 752 °F
42.6 %

@Temperature 900 °C
42.6 %

@Temperature 1650 °F
Particle Size 0.50 µm
0.50 µm
Median Diameter
Specific Surface Area 12.5 m²/g
12.5 m²/g
Brookfield Viscosity 300 cP

@Temperature 25.0 °C
300 cP

@Temperature 77.0 °F
No. 3 Spindle, 100 rpm
Optical Properties Metric English Comments
Reflection Coefficient, Visible (0-1) 0.96
0.96
T534 om-76 Brightness (Diffuse Reflectance)
Descriptive Properties Value Comments
Calcium Carbonate % 98
FDA 21 CFR 174.5, 176.170, 176.180
Magnesium Carbonate % 1
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