Hydrocarb® 90 - FL is a selected, natural ground calcium carbonate (marble) with a microcrystalline, rhombohedral particle shape and high fineness. It is white in color and available in powder form. Commonly used as a pigment and filler, Hydrocarb® 90 - FL is ideal for applications in paper and paperboard manufacturing. It contains quartz (SiO2) and calcium carbonate, belonging to the carbonate chemical family, specifically calcium salts. The product complies with key regulatory standards, including ISO 9001, ISO 14001, ISO 45001, as well as certifications under the Clean Water Act (CWA), Clean Air Act (CAA), CERCLA, and SARA 311/312.

Functions: Filler, Pigment

Chemical Family: Calcium Salts, Carbonates

End Uses: Paper, Paperboard

Enhanced TDS

Identification & Functionality

Applications & Uses

Industrial Additives End Use

Properties

Color (Properties)
Physical Form
Physical Properties
ValueUnitsTest Method / Conditions
Apparent Bulk Density0.8g/mlISO 787-11
Raw Material Density2.7g/mlISO 787-10
Moisture Content0.12%ISO 787-2
Optical Properties
ValueUnitsTest Method / Conditions
Brightness95%Tappi, R457 ISO 2469
SDS Physical and Chemical Properties
ValueUnitsTest Method / Conditions
Decomposition Temperaturemin. 600°C-
Explosive PropertiesNot Explosive--
Solubility in Water (at 20°C, 1013 hPa)0.014g/l-
Density (at 20°C, 1013 hPa)2.3 - 2.8g/ccDIN-ISO 787/10
Burning Number1--
Melting Point (at 1013 hPa)min. 800°C-
pH Value (at 20°C)8.5 - 9.5-DIN-ISO 787/9
Odor ThresholdNot relevant--
OdorCharacteristic--
AppearanceWhite powder--
Particle Size Distribution
ValueUnitsTest Method / Conditions
Fineness Median particle size (d50%)0.7μmOmya GLS 041
Fineness Top cut (d98%)3.1μmOmya GLS 041
Fineness Residue (on a 325 mesh)1ppmISO 787-7
Chemical Analysis
ValueUnitsTest Method / Conditions
Hydrochloric Acid Insoluble0.7%-
Ferric Oxide Content0.11%-
Magnesium Carbonate Content1.4%-
Calcium Carbonate Content97.6%-

Regulatory & Compliance