Omyaroad® A-PT is a natural ground calcium carbonate powder derived from high-purity white marble. It is used as a filler in asphalt sealers and complies with ISO 9001, ISO 14001, and ISO 45001 certifications.

Functions: Filler

Chemical Family: Calcium Salts, Carbonates

End Uses: Asphalt Sealer

Synonyms: CaCO3

Enhanced TDS

Identification & Functionality

Chemical Family
Chemical Name
Manufactured By
CASE Ingredients Functions
Technologies
Product Families

Applications & Uses

Coating End Applications
Application Information
  • Asphalt Sealers

Properties

Physical Form
Chemical Composition
ValueUnitsTest Method / Conditions
Magnesium Carbonate Content2%-
Calcium Carbonate Content92%-
Optical Properties
ValueUnitsTest Method / Conditions
Specific Gravity2.71--
Specific Surface Area0.67m²/gOmya GLS 067
Tapped Bulk Density1.65g/ccOmya GLS 002
Loose Bulk Density0.94g/ccOmya GLS 001
Moisture Content0.05%ISO 787-2
Brightness92%Omya GLS 035
SDS Physical and Chemical Properties
ValueUnitsTest Method / Conditions
Explosive PropertiesNot Explosive--
Decomposition Temperaturemin. 600°C-
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--
Flammability (Solid, Gas)The product is not flammable--
Flash PointDoes not flash--
Boiling PointDecomposition: Decomposes 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--
Odor ThresholdNot relevant--
OdorCharacteristic--
AppearanceWhite powder--
Particle Size Distribution
ValueUnitsTest Method / Conditions
Median Particle Size (d50%)27μmOmya GLS 010
Residue on 40 Mesh Sieve0.1%Omya GLS 021
Residue on 200 Mesh Sieve8%Omya GLS 021
Note

¹ Malvern Mastersizer

Regulatory & Compliance

Certifications & Compliance

Packaging & Availability

Packaging Type