Knowde Enhanced TDS
Identification & Functionality
- Chemical Family
- Chemical Name
- Plastics & Elastomers Functions
- Molecular formula
- CaSO4
- CAS No.
- 7778-18-9
- EC No.
- 231-900-3
- Technologies
Features & Benefits
- Materials Features
- Product Highlights
- High purity > 99% CaSO4
- Excellent whiteness and brightness
- Cost efficient alternative as white pigment extender
- Unique raw material quality
- 100% natural product
- Resistance to weak acids
- Improved UV resistance
- Good impact properties
- Resistance to high temperatures
- Easy to process due to low Mohs hardness
- Good adhesion with polymer
- Narrow particle size distribution
- Excellent organoleptic properties
- Can be applied in thermoplastics
Applications & Uses
- Markets
- Applications
- Applications
Ti-ExR 04 is produced from natural calcium sulfate that is unique and selected especially for various applications in several industries: Polymers/Biopolymers, Paper, Paints & Coatings Narrow particle size distribution enables high performances in terms of color, opacity, brightness, processability and mechanical impact resistance.
Properties
- Insoluble in
- Ethanol
- Slightly Soluble in
- Water
- Physical Properties
- Typical Properties
| Value | Units | Test Method / Conditions | |
| BET Surface Area | 8.76 | m²/g | — |
| Crystal Shape | Orthorhombic | — | — |
| Medium Particle Size (D50) | 3.8 - 4.7 | microns | — |
| Medium Particle Size (D98) | 16 - 17 | microns | — |
| Mohs Hardness | 2 - 3 | — | — |
| Oil Absorption Rate | 33 | g/100g | — |
| pH (10% Slurry) | 10 - 11 | — | — |
| Purity (CaSO4) | min. 99 | % | — |
| Pycnometer Density | 2.8 - 3.0 | g/cm³ | — |
| Refractive Index | 1.57 - 1.60 | — | — |
| Tap Density | 0.9 | g/cm³ | — |
| Water Content | max. 1 | % | TGA method |
| Whiteness (CIE L value) | min. 96 | — | — |
| Value | Units | Test Method / Conditions | |
| Chemical Name | Calcium Sulfate (Anhydrite) | — | — |
| Flame Test | Red Flame Calcium Present | — | — |
| Assay | min. 99 | % | — |
| Fluoride (Anion IC) | max. 30 | mg/kg | — |
| Selenium (F5202) | max. 10 | mg/kg | — |
| Arsenic (F5202) | max. 1 | mg/kg | — |
| Lead (F5202) | max. 1 | mg/kg | — |
| Mercury (F5202) | max. 0.5 | mg/kg | — |
| Sulphate Test | Present | — | — |
Regulatory & Compliance
- Certifications & Compliance