Hubercarb® Q200

Identification & Functionality

Chemical Family

Calcium Salts,

Carbonates,

Kaolins

Chemical Name

Calcium Carbonate

CASE Ingredients Functions

Filler,

Rheology Modifier,

Thickener

CAS No.

471-34-1

EC No.

207-439-9

Technologies

CASE Ingredients

Product Families

CASE Ingredients — Additives

Fillers & Extenders,

Rheology Modifiers & Stabilizers

Applications & Uses

Markets

Adhesives & Sealants,

Building & Construction,

Paints & Coatings

Applications

Adhesives & Sealants — Building & Construction

Sealants & Caulks

Paints & Coatings — Building & Construction

Floor Coatings,

Infrastructure, Roads & Paving

Building & Construction — Building Materials

Sealants & Caulks

Building & Construction — Flooring & Surfaces

Floor Coatings

Building & Construction — Infrastructure, Roads & Paving

Coatings & Markings

Compatible Polymers & Resins

Polyolefins,

Polyurethanes (PU),

Silicones

Properties

Physical Form

Powder,

Solid

Chemical Properties

	Value	Units	Test Method / Conditions
Calcium Carbonate	96.5	%	—
Magnesium Carbonate	2.0	%	—
Silica and Silicates	1.0	%	—
Other	0.5	%	—

Physical Properties

	Value	Units	Test Method / Conditions
Acid Solubility (in HCl)	98.5 - 99	%	—
Brightness (Hunter reflectance)	84.0	%	—
Compacted Bulk Density	80	lb/ft³	ASTM C110
Loose Bulk Density	55	lb/ft³	ASTM C110
Mesh size (-325) (45μm)	82.0	%	—
Median Particle Size (Cilas®)	22.0	μ	—
OIl Absorption	12.0	lbs oil / 100lbs	ASTM D281
Moisture	0.1	%	ASTM D280
Water Demand	36.0	mL/100 gms	—

Typical Properties

	Value	Units	Test Method / Conditions
Specific Gravity	2.7	—	ASTM D153
Color	White	—	—
pH (Saturated Solution)	9.4	—	ASTM D1208

Mineral Properties

	Value	Units	Test Method / Conditions
Hardness (Mohs)	3	—	—
Linear Expansion Coefficient	4.3 x 10^-6	°C	—
Solubility (H₂O, 100°C)	0.0035	g/100ml	—
Weight per Gallon (s.g. x 8.345)	22.6	lbs	—
Particle Shape (Microscope)	Irregular, uniaxial	—	—
Refractive Index (Hand. Of Chem. & Phy)	1.6	—	—
Alkalinity (as NaOH)	0.4	mg/gm	ASTM D1208