Durcal® 40 is natural, ground calcium carbonate powder, high purity, white marble

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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)

Enhanced TDS

Identification & Functionality

Features & Benefits

Applications & Uses

Properties

Optical Properties
ValueUnitsTest Method / Conditions
Brightness (CIE A)1.1%ISO 11664-4
Brightness (Ry, C/2°)89%DIN 53163
Brightness (CIE B)4.5%ISO 11664-4
Brightness (CIE L)95.5%ISO 11664-4
SDS Physical and Chemical Properties
ValueUnitsTest Method / Conditions
Burning Number1--
Melting Point (at 1013 hPa, Decomposes below melting point)min. 800°C-
Particle Size (D50)29µm-
Particle Size (D95)100µm-
Particle Size (D98)210µm-
Solubility in Water (at 20°C)13 - 16mg/l-
Density (at 20°C, 1013 hPa)2.1 - 2.8g/cm³DIN-ISO 787/10
Physical State (at 20°C, 1013 hPa)Solid--
pH (at 20°C, Concentration: 100 g/l)8.5 - 9.5-DIN-ISO 787/9
Solubility in Water (at 75°C)18mg/l-
Decomposition Temperaturemin. 600°C-
Bulk Density0.4 - 1.9g/cm³-
Refractive Index1.57 - 1.6--
Boiling PointDecomposes below Boiling Point--
Flash PointDoes not flash--
Explosive PropertiesNot ExplosiveRegulation (EC) No. 440/2008, Annex, A.14
OdorOdorless--
AppearancePowder, sand, gravel, pellets, blocks--
FlammabilityThe product is not flammable. It will not burn--
Particle CharacteristicsThis substance/ mixture does not contain nanoforms-according to REACH Regulation
ColorWhite--
Particle Size Distribution
ValueUnitsTest Method / Conditions
Particle Size (Fineness, Average particle size (d50%))29µmOmya GLS 010, Malvern Mastersizer
Particle Size (Fineness, Sieve residue 100 µm)0.01%ISO 787-7
Particle Size (Fineness,Top cut - d98%)210µmOmya GLS 010, Malvern Mastersizer
Chemical Analysis
ValueUnitsTest Method / Conditions
Hydrochloride (as insoluble content)0.2%-
Ferric Oxide Content0.05%-
Calcium Carbonate Content98%-
Magnesium Carbonate Content1.5%-
Specifications
ValueUnitsTest Method / Conditions
Bulk Density1.8g/mlISO 787-11
Moisture Content0.2%ISO 787-2
pH9-ISO 787-9
Oil Absorption10g/100gISO 787-5

Regulatory & Compliance

Certifications & Compliance
Quality Standards

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