Omyacarb® 7 - AJ is a natural, fine ground calcium carbonate powder, manufactured from a high purity white marble.

Chemical Name: Calcium Carbonate

CAS Number: 1317-65-3

Chemical Family: Calcium Salts, Carbonates

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

Enhanced TDS

Identification & Functionality

Features & Benefits

Applications & Uses

Properties

Color (Properties)
Physical Form
Typical Properties
ValueUnitsTest Method / Conditions
Loose Bulk Density0.8g/mlOmya GLS 001
pH9-ISO 787-9
Oil Absorption14g/100gISO 787-5
Optical Properties
ValueUnitsTest Method / Conditions
Brightness (Ry, C/2°)94%DIN 53163
Brightness (CIE L*)98-ISO 11664-4
Brightness (CIE a*)0.03-ISO 11664-4
Brightness (CIE b*)0.9-ISO 11664-4
Yellowness Index2.5-DIN 6167
SDS Physical and Chemical Properties
ValueUnitsTest Method / Conditions
Burning Number (flammable solids)1
Bulk Density0.4 - 1.9g/cm³-
ColorWhite--
Decomposition Temperaturemin. 600°C-
Density (at 20°C, 1013 hPa)2.1 - 2.8g/cm³DIN-ISO 787/10
Ignition TemperatureDoes not ignite--
Melting Point (at 1013 hPa)min. 800°C-
pH (at 20°C, Concentration : 100 g/l)8.5 - 9.5-DIN-ISO 787/9
Refractive Index1.57 - 1.6--
Water Solubility (at 20°C, 1013 hPa)14mg/l-
Water Solubility (at 75°C, 1013 hPa)18mg/l-
Particle Size Distribution
ValueUnitsTest Method / Conditions
Mean Particle Size (Fineness, D50%)6µmOmya GLS 010, Malvern Mastersizer
Particle Size (Fineness, < 2 µm)26%Omya GLS 010, Malvern Mastersizer
Particle Size (Fineness, Residue on a 63 μm sieve)0.1%ISO 787-7
Particle Size (Fineness, Top cut - d98%)40µmOmya GLS 010, Malvern Mastersizer
Chemical Analysis
ValueUnitsTest Method / Conditions
Calcium Carbonate Content98%-
Hydrochloride (as insoluble content)0.5%-
Magnesium Carbonate Content1.4%-
Iron(III) Oxide Content0.1%-
Specifications
ValueUnitsTest Method / Conditions
Moisture Content0.3%ISO 787-2
VO Absorption25g/100gISO 787-5

Regulatory & Compliance

Certifications & Compliance
Quality Standards

Packaging & Availability