Omyacarb® UFT-FL is a high-purity, ultra-fine, wet ground natural calcium carbonate. It is used as a pigment and filler in rigid PVC, flexible PVC, and masterbatch applications. The product is white in color and available in powder form. It meets certifications such as ISO 9001, ISO 14001, ISO 45001, Clean Air Act (CAA), and Clean Water Act (CWA) Sections 307 and 311, as well as SARA 302, 304, and 313.

The materials provided at this site are provided "as is" without any warranties of any kind including warranties of merchantability, fitness for a particular purpose or of any other nature regarding the information presented in this site, or non-infringement of intellectual property.

Chemical Family: Calcium Salts, Carbonates

Pigment Type: Inorganic Pigments

Enhanced TDS

Identification & Functionality

Applications & Uses

Properties

Typical Properties
ValueUnitsTest Method / Conditions
Fineness Residue (on a 45 um sieve)4ppmISO 787-7
Material Density2.7g/mlISO 787-10
Top Cut (d98%)2.9μmOmya GLS 041²
Median Particle Size (d50%)0.7μmOmya GLS 041²
Apparent Bulk Density (packed)0.9g/mlISO 787-11
Optical Properties
ValueUnitsTest Method / Conditions
Brightness Ry94.3%C/2°, DIN 53163
SDS Physical and Chemical Properties
ValueUnitsTest Method / Conditions
Minimum Ignition Energy (at 20°C, 1013 hPa)min. 1,000mJ-
Explosive PropertiesNot ExplosiveRegulation (EC) No. 440/2008, Annex, A.14
Decomposition Temperaturemin. 600°C-
Solubility in Water (at 20°C, 1013 hPa)0.014g/l-
Burning Number1--
Flammability (Solid, Gas)The product is not flammable--
Flash PointDoes not flash--
Boiling PointDecomposes below the boiling point--
Melting Point (at 1013 hPa, Decomposes below the melting point)min. 800°C
pH Value (at 20°C, 100 g/l Concentration)8.5 - 9.5-DIN-ISO 787/9
OdorCharacteristic--
AppearanceWhite powder--
Chemical Analysis
ValueUnitsTest Method / Conditions
Hydrochloride (as insoluble content)0.7%-
Magnesium Carbonate Content1.4%-
Ferric Oxide Content0.11%-
Calcium Carbonate Content97.6%-
Specifications
ValueUnitsTest Method / Conditions
Moisture Content0.09%ISO 787-2
Note

¹ measured on untreated material
²Sedigraph

Regulatory & Compliance

Packaging & Availability

Country Availability
Packaging Information

Bulk
Bulk Bags
Bags (Paper - 50 lbs)