Knowde Enhanced TDS
Identification & Functionality
- Chemical Family
- Chemical Name
- CAS No.
- 471-34-1
- EC No.
- 207-439-9
- Technologies
Features & Benefits
- Labeling Claims
- CASE Ingredients Features
- Product Highlights
- Non-Detectable Silica Means No SDS Health Warning Labels
- The Brightest Calcium Carbonate Available From Limestone Ore
Applications & Uses
- Applications
- Compatible Polymers & Resins
Properties
- Color
- Appearance
- White
- Chemical Properties
- Physical Properties
- Typical Properties
- Mineral Properties
| Value | Units | Test Method / Conditions | |
| Calcium Carbonate | 99.3 | % | — |
| Leachable Chlorides | max. 5 | ppm | — |
| Magnesium Carbonate | 0.4 | % | — |
| Silica and Silicates | 0.05 | % | — |
| Other | 0.23 | % | — |
| Iron | 40.0 | ppm | — |
| Value | Units | Test Method / Conditions | |
| Acid Solubility (in HCl) | 99.8 | % | — |
| Brightness (Hunter reflectance) | 92.0 | % | — |
| Compacted Bulk Density | 75 | lb/ft³ | ASTM C110 |
| Loose Bulk Density | 50 | lb/ft³ | ASTM C110 |
| Median Particle Size (Cilas®) | 13.0 | μ | — |
| Mesh size (-325) (45μm) | 0.95 | % | — |
| Moisture | 0.1 | % | 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 |