Omya BLH - OG is a natural, surface-treated, fine calcium carbonate powder, manufactured from high-purity, white limestone.

Chemical Name: Calcium Carbonate

CAS Number: 1317-65-3

Chemical Family: Calcium Salts, Carbonates

Pigment Type: Inorganic Pigments

Synonyms: CaCO3, Calcium carbonate (CaCO3), Calcium carbonate (1:1), Carbonic acid calcium salt (1:1)

View All Documents

Enhanced TDS

Identification & Functionality

Features & Benefits

Labeling Claims

Applications & Uses

Markets
Applications
Compatible Polymers & Resins
Adhesive & Sealant End Applications
Base Chemicals End Uses
Coating End Applications
Industrial Additives End Use
Ink & Toner End Applications
Plastics & Elastomers End Uses
Applications
  • Decorative Paints
  • Plasters, Renders and Joint Fillers
  • Adhesives and Sealants
  • Flexible PVC application
  • Rigid PVC application
  • Masterbatch and Compound

Properties

Color (Properties)
Physical Form
SDS Physical and Chemical Properties
ValueUnitsTest Method / Conditions
Explosive PropertiesNot Explosive--
Decomposition Temperaturemin. 600°C-
Density (at 20°C, 1013 hPa)2.1 - 2.9g/ccDIN-ISO 787/10
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 - 9.6DIN-ISO 787/9
OdorCharacteristic
Physical StatePowder, sand, gravel, granulate--
ColorWhite, brown--
FlammabilityThis product is not flammable, will not burn--
Bulk Density (Tapped)1.6g/cm³ISO 787-11
Particle Size Distribution (D50)6.5μm-
Particle Size Distribution (D98)32μm-
Solubility in Watermax. 0.1g/l-
Fire Number (flammable solids)1--
Particle Size Distribution (D20)2μm-
Particle Size Distribution
ValueUnitsTest Method / Conditions
Median Particle Size (Fineness, d50%)6.5µmOmya GLS 010, Malvern Mastersizer
Particle Size (Fineness, < 2 µm)20%Omya GLS 010, Malvern Mastersizer
Particle Size (Fineness, Residue on a 45 µm sieve)0.1%ISO 787-7
Particle Size (Fineness, top cut)32µmOmya GLS 010, Malvern Mastersizer
Chemical Analysis
ValueUnitsTest Method / Conditions
Calcium Carbonate Content99.3%-
Ferric Oxide Content0.03%-
HCl Insoluble Content0.1%-
Magnesium Carbonate Content0.4%-
Specifications
ValueUnitsTest Method / Conditions
Apparent Density (tamped)1.6g/mlISO 787-11
Brightness Ry (C/2°)89%DIN 53163
Brightness CIE a* 0.5ISO 11664-4
Brightness CIE b* 4ISO 11664-4
Brightness CIE L*95.5ISO 11664-4
Moisture Content (ex works)0.08%ISO 787-2
Oil Absorption14g/100gISO 787-5
pH value9-ISO 787-9
VO Absorption16g/100gISO 787-5

Regulatory & Compliance

Packaging & Availability

Country Availability
Packaging Type
Packaging
  • Bulk
  • Bag (paper) of 25 kg on pallet