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Hubercarb® Q3
Hubercarb® Q3 is a fine ground calcium carbonate produced at Huber’s Quincy, Illinois plant which is known for its natural uniformity producing consistent purity and brightness. Carefully controlled particle distribution allows Q3 to be used in a wide range of applications including paints, coatings, adhesives, caulks, and plastics.
Properties
- Physical Form
- Powder, Solid
- Powder
- Solid
Identification
- CASE Ingredients Functions
- FillerRheology Modifier
Product families
Applications
Adhesives & Sealants — Building & Construction
- Sealants & Caulks
Building & Construction — Building Materials
- Sealants & Caulks
Electrical & Electronics — Wire & Cable
- Jacketing & Insulation
Product Families
CASE Ingredients — Additives
- Fillers & Extenders
- Rheology Modifiers & Stabilizers
Other characteristics
- Brand
- Hubercarb
- Functions
- Filler, Rheology Modifier
- Particle Size
- 3.2 - 3.2 microns
- Compatible Polymers & Resins
- Epoxies (EP), Polyolefins
- Markets
- Adhesives & Sealants
- Building & Construction
- Electrical & Electronics
- Coating Type
- Powder Coating
- Varnishes
- Technology
- CASE Ingredients
- Compatible Polymers and Resins
- Epoxies (EP)
- Polyolefins
Technical data
Table 1 of 4
4 rows| Characteristic | Value | Unit |
|---|---|---|
| Calcium Carbonate | 96.5 | % |
| Magnesium Carbonate | 2.0 | % |
| Silica and Silicates | 1.0 | % |
| Other | 0.5 | % |
Table 2 of 4
10 rows| Characteristic | Value | Unit | Method |
|---|---|---|---|
| Acid Solubility (in HCl) | 98.5 - 99 | % | — |
| Brightness (Hunter reflectance) | 89.0 | % | — |
| Compacted Bulk Density | 60 | lb/ft³ | ASTM C110 |
| Loose Bulk Density | 40 | lb/ft³ | ASTM C110 |
| Mesh size (+325) (45μm) | 0.005 | % | — |
| Median Particle Size (Cilas®) | 3.2 | μ | — |
| OIl Absorption | 18.0 | lbs oil / 100lbs | ASTM D281 |
| Hegman Grind | 6.0 | — | — |
| Moisture | 0.2 | % | ASTM D280 |
| Water Demand | 55.0 | mL/100 gms | — |
Table 3 of 4
3 rows| Characteristic | Value | Method |
|---|---|---|
| Specific Gravity | 2.7 | ASTM D153 |
| Color | White | — |
| pH (Saturated Solution) | 9.4 | ASTM D1208 |
Table 4 of 4
7 rows| Characteristic | Value | Unit | Method |
|---|---|---|---|
| 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 |
