Hubercarb® G3

1 of 1 products in this brand

Hubercarb® G3 is a high-purity, ultra-fine ground calcium carbonate derived from a premium marble deposit in Georgia, specifically designed for applications requiring exceptional brightness and pure tints. The carefully controlled particle distribution ensures its versatility across a diverse range of applications, including paints, coatings, PVC pipe, rubber, plastics, and construction building products. This product delivers consistent quality and performance, making it an ideal choice for manufacturers focused on achieving superior results in their formulations.

Chemical Name: Calcium Carbonate

CAS Number: 471-34-1

Labeling Claims: High Purity

Features: High Brightness

Technical Data Sheet

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Identification & Functionality

Chemical Family: Calcium Salts,
Carbonates
Chemical Name: Calcium Carbonate
Technologies: Base Chemicals & Intermediates
Product Families: Base Chemicals & Intermediates — Technical Salts & Inorganics
Inorganics

Features & Benefits

Labeling Claims: High Purity
Base Chemicals Features: High Brightness

Applications & Uses

Base Chemicals End Uses: Coatings,
Paints,
Plastics,
Rubber

Properties

Typical Physical Properties


	Value	Units	Test Method / Conditions
Median Particle Size	3.2	μ	Sedigraph
Brightness	95.0	-	Hunter reflectance
OIl Absorption	18	lb/100lbs	ASTM D281
Moisture Content	0.2	%	ASTM D280
Water Demand	57	mL/100g	-
Bulk Density (Loose)	47	lb/ft³	ASTM C110
Bulk Density (Compacted)	60	lb/ft³	ASTM C110
Solubility in Hydrochloric Acid	95 - 98.5	%	-
Hegman Grind	6	-	-

Mineral Properties


	Value	Units	Test Method / Conditions
Color	White	-	-
Alkalinity (as Sodium Chloride)	0.4	mg/g	ASTM D1208
pH (of saturated solution)	9.4 (of saturated solution)	-	ASTM D1208
Hardness (non-abrasive)	3	Mohs	-
Solubility in Water (at 100°C)	0.0035	g/100mL	-
Specific Gravity	2.7	-	ASTM D153
Refractive Index	1.6	-	-
Weight (at s.g. x 8.345)	22.6	lb/gal	-
Linear Expansion Coefficient	4.3 x 10⁻⁶	/°C	-

Chemical Analysis


	Value	Units	Test Method / Conditions
Calcium Carbonate	96.0	%	-
Magnesium Carbonate	2.5	%	-
Silica and Silicates	0.4	%	-
Other	1.1	%	-

Specifications


	Value	Units	Test Method / Conditions
Particle Size (at 45μm)	0.005	%	-