Hubercarb® G70

1 of 51 products in this brand
Hubercarb® G70 is a medium fine particle size calcium carbonate produced in Marble Hill, GA for paints, coatings, adhesives, caulks and sealants applications.

Functions: Filler

Chemical Family: Calcium Salts, Carbonates, Silicon-based Compounds

Particle Size: 38.0 - 38.0 microns

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Knowde Enhanced TDS

Identification & Functionality

CASE Ingredients Functions
CAS No.
471-34-1
EC No.
207-439-9
Technologies

Applications & Uses

Properties

Chemical Properties
ValueUnitsTest Method / Conditions
Calcium Carbonate96.0%-
Magnesium Carbonate2.5%-
Silica and Silicates0.4%-
Typical Properties
ValueUnitsTest Method / Conditions
Acid Solubility (in HCl)95 - 98.5%
Compacted Bulk Density100lb/ft³ASTM C110
Dry Brightness (Hunter L)88.0--
Loose Bulk Density68lb/ft³ASTM C110
Moisture Content0.2%ASTM D280
Specific Gravity2.7-ASTM D153
Particle Size Distribution
ValueUnitsTest Method / Conditions
Median Particle Size (Cilas®)38.0μm-
Particle Size (Mesh Size -200)89%
Particle Size (Mesh Size -325)71%
Mineral Properties
ValueUnitsTest Method / Conditions
Alkalinity (as NaOH)0.4mg/gmASTM D1208
Moh’s Hardness (Hand. Of Chem. & Phy)3.0--
Linear Expansion Coefficient4.3 x 10^-6°C
Particle Shape (Microscope)Irregular, uniaxial--
pH (Saturated Solution)9.4-ASTM D1208
Refractive Index (Hand. Of Chem. & Phy)1.6--
Solubility (H₂O, 100°C)0.0035g/100ml
Weight per Gallon (s.g. x 8.345)22.6lbs

Regulatory & Compliance