Omyacarb® 25N - LU is a natural calcium carbonate granule derived from high-purity white marble. It is used as a filler and dispersant in solventborne paint, waterborne paint, and powder coatings. This product is compatible with polyvinyl chloride (PVC) and offers high gloss properties. It meets several certifications, including ISO 14001, ISO 9001, ISO 45001, and FDA 21 CFR 174.5, 175.300, and 178.3297. OMYACARB® 25N - LU is available in bulk and bag packaging.

Chemical Family: Calcium Salts, Carbonates

Compatible Polymers & Resins: Polyvinyl Chloride (PVC)

Synonyms: CaCO3

Enhanced TDS

Identification & Functionality

Features & Benefits

CASE Ingredients Features

Applications & Uses

Compatible Polymers & Resins
Coating End Applications
Application Information
  • PVC applications
  • Paint applications such as water based, solvent based, and high gloss powder coatings

Properties

Physical Properties
ValueUnitsTest Method / Conditions
Specific Gravity2.7--
Oil Absorption7g/100g-
Apparent Bulk Density (packed)1.6g/ccISO 787-11
Apparent Bulk Density (loose)1g/ccISO 787-11
Typical Properties
ValueUnitsTest Method / Conditions
Median Particle Size (d50%)24μmOmya GLS 010
Fineness Residue (on a 325 mesh sieve)9%ISO 787/7
Optical Properties
ValueUnitsTest Method / Conditions
Brightness86%-
SDS Physical and Chemical Properties
ValueUnitsTest Method / Conditions
Partition coefficient (N - octanol/water, Pow)max. 1--
Explosive PropertiesNot Explosive--
Decomposition Temperaturemin. 600°C-
Solubility in Water (at 75°C, 1013 hPa)0.018g/l-
Solubility in Water (at 20°C, 1013 hPa)0.014g/l-
Density (at 20°C, 1013 hPa)2.6 - 2.8g/ccDIN-ISO 787/10
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--
AppearanceSand, Gravel--
Chemical Analysis
ValueUnitsTest Method / Conditions
Magnesium Carbonate Content1%-
Calcium Carbonate Content98%-
Specifications
ValueUnitsTest Method / Conditions
Moisture Content0.03%-
Note

*Malvern Mastersizer

Regulatory & Compliance

Packaging & Availability

Packaging Type
Packaging Information
  • Bag of 25kg on pallet
  • Bulk