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Hubercarb® Q5-20

1 of 51 products in this brand
Hubercarb® Q5-20 is a coarse particle size calcium carbonate produced in Quincy, IL for paints, coatings, adhesives, caulks and sealants applications.

Functions: Filler, Rheology Modifier, Thickener

Chemical Family: Calcium Salts, Carbonates, Kaolins

Compatible Polymers & Resins: Epoxies (EP), Polyolefins, Polyvinyl Chloride (PVC)

Particle Size: 2410.0 - 2410.0 microns

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Knowde Enhanced TDS

Identification & Functionality

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

Applications & Uses

Properties

Chemical Properties
ValueUnitsTest Method / Conditions
Calcium Carbonate96.5%-
Magnesium Carbonate2.0%-
Silica and Silicates1.0%-
Typical Properties
ValueUnitsTest Method / Conditions
Acid Solubility (in HCl)98.5 - 99%
Compacted Bulk Density98lb/ft³ASTM C110
Loose Bulk Density88lb/ft³ASTM C110
Moisture Content0.1%ASTM D280
Specific Gravity2.7-ASTM D153
Particle Size Distribution
ValueUnitsTest Method / Conditions
Median Particle Size2410.0μm-
Particle Size (Mesh Size + 6)6%
Particle Size (Mesh Size - 20)2%
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