Omya COVERCARB® 85 Calcium Carbonate

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Omya COVERCARB® 85 Calcium Carbonate
Categories:	Ceramic
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.
Key Words:	CaCO3
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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	0.00 % @Temperature 400 °C	0.00 % @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

Compliance Properties	Metric	English	Comments
FDA	Yes	Yes	21 CFR 174.5, 176.170, 176.180

Descriptive Properties
Calcium Carbonate %	98
Magnesium Carbonate %	1

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EOMYA901 / 5613

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