Omyabond® 520 - FL is a fine, white calcium carbonate powder that is surface-treated for low moisture content and excellent dispersion properties. It is primarily used in adhesive and sealant applications, including 1K (1 Component) Adhesives, Polyurethane Adhesives, and Polyurethane Sealants. The product offers excellent dispersibility and is known for its low moisture content. It functions as both a filler and a pigment, providing enhanced properties in formulations. The product is compatible with Polyurethanes (PU) and is certified under ISO 9001, ISO 14001, and ISO 45001. It is available in bulk and bags packaging types, and it undergoes a moisture cure. Its chemical family includes Calcium Salts and Carbonates, with the primary chemical component being Calcium Carbonate. The product is white in color and in powder form.

Chemical Family: Calcium Salts, Carbonates

Pigment Type: Inorganic Pigments

Compatible Polymers & Resins: Polyurethanes (PU)

Synonyms: CaCO3

Enhanced TDS

Identification & Functionality

Features & Benefits

CASE Ingredients Features
Product Benefits
  • Allows savings on moisture scavengers
  • Allows process optimization
  • No filler pre-drying

Applications & Uses

Properties

Color (Properties)
Physical Form
Typical Properties
ValueUnitsTest Method / Conditions
Top Cut (d98%)7.7μmOmya GLS 041²
Fineness Residue (on a 20 μm sieve)30ppmISO 787-7
Fineness2.1μmOmya GLS 041²
Optical Properties
ValueUnitsTest Method / Conditions
Brightness Ry2.1μmC/2°, DIN 53163
SDS Physical and Chemical Properties
ValueUnitsTest Method / Conditions
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 -2.9g/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
OdorOdorless--
AppearanceWhite fine powder--
Chemical Analysis
ValueUnitsTest Method / Conditions
Magnesium Carbonate Content1.4%-
Hydrochloric Acid Insoluble0.7%-
Ferric Oxide Content0.11%-
Calcium Carbonate Content97.6%-
Specifications
ValueUnitsTest Method / Conditions
Apparent Density (tapped)1.31g/mlOmya GLS 001
Note

¹measured on untreated material
²Sedigraph

Regulatory & Compliance

Certifications & Compliance

Packaging & Availability

Packaging Type
Packaging Information

Bulk
Bag (paper)
Big Bag