To catalogue
Hubercarb® Q2
Hubercarb® Q2 is an ultra-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 the material to be used in a wide range of applications including paints, coatings, PVC pipe and profiles, rubber and plastics.
Properties
- Physical Form
- Powder
- Solid
Identification
- CASE Ingredients Functions
- Filler
Product families
Applications
Adhesives & Sealants — Building & Construction
- Sealants & Caulks
Building & Construction — Building Materials
- Sealants & Caulks
Electrical & Electronics — Wire & Cable
- Other Wire & Cable Applications
Product Families
CASE Ingredients — Additives
- Fillers & Extenders
Other characteristics
- Brand
- Hubercarb
- Functions
- Filler
- Particle Size
- 2.0 - 2.0 microns
- Oil Absorption
- 18.0 - 18.0 g/100 g
- Compatible Polymers & Resins
Epoxies (EP), Polyolefins, Polyvinyl Chloride (PVC)
- Markets
- Adhesives & Sealants
- Building & Construction
- Electrical & Electronics
- Technology
- CASE Ingredients
- Compatible Polymers and Resins
- Epoxies (EP)
- Polyolefins
- Polyvinyl Chloride (PVC)
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) | 90.0 | % | — |
| Compacted Bulk Density | 52 | lb/ft³ | ASTM C110 |
| Loose Bulk Density | 44 | lb/ft³ | ASTM C110 |
| Mesh size (+325) (45μm) | 0.005 | % | — |
| Median Particle Size (Cilas®) | 2.0 | μ | — |
| OIl Absorption | 18.0 | lbs oil / 100lbs | ASTM D281 |
| Hegman Grind | 6.5 | — | — |
| Moisture | 0.2 | % | ASTM D280 |
| Water Demand | 68.0 | 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 |
