Knowde Enhanced TDS
Identification & Functionality
- Chemical Family
- Chemical Name
- CASE Ingredients Functions
- CAS No.
- 471-34-1
- EC No.
- 207-439-9
- Technologies
Features & Benefits
- Labeling Claims
- CASE Ingredients Features
- Product Highlights
- Fine particle distribution
- High surface area
- Round particle shape
- Low silica content are enhanced by processing with a proprietary fatty acid based surface treatment.
Applications & Uses
- Applications
- Compatible Polymers & Resins
- Recommended Application
Applications include coatings, compression molded plastics, PVC pipe, rubber, plastics, and adhesives.
Properties
- Chemical Properties
- Physical Properties
- Typical Properties
- Mineral Properties
Value | Units | Test Method / Conditions | |
Calcium Carbonate | 99.3 | % | — |
Magnesium Carbonate | 0.4 | % | — |
Silica and Silicates | 0.05 | % | — |
Other | 0.2 | % | — |
Value | Units | Test Method / Conditions | |
Acid Solubility (in HCl) | 99.8 | % | — |
Brightness (Hunter reflectance) | 92.0 | % | — |
Compacted Bulk Density | 55 | lb/ft³ | ASTM C110 |
Loose Bulk Density | 50 | lb/ft³ | ASTM C110 |
Mesh size (+325) (45μm) | 0.005 | % | — |
Median Particle Size (Sedigraph®) | 3.0 | μ | — |
OIl Absorption | 15.0 | lbs oil / 100lbs | ASTM D281 |
Hegman Grind | 6.0 | — | ASTM D1210 |
Moisture | 0.2 | % | ASTM D280 |
Value | Units | Test Method / Conditions | |
Specific Gravity | 2.7 | — | ASTM D153 |
Color | White | — | — |
pH (Saturated Solution) | 9.4 | — | ASTM D1208 |
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 |