Knowde Enhanced TDS
Identification & Functionality
- Plastics & Elastomers Functions
- Technologies
Features & Benefits
- Labeling Claims
- Materials Features
- Product Highlights
- Produced from a unique, all-natural sodium - potassium - aluminum silicate feedstock, our additives are available in ultrafine, precisely controlled particle size distributions for optimum performance. HIFILL N allows for formulation and processing cost reduction while not adversely impacting the products’ physical properties and durability.
- High-purity and low tint strength preserves the color integrity and optimizes pigment dispersion in colored products. Due to its low oil absorption and inertness, HIFILL N does not react nor affect the efficiency of other system components such as stabilizers, surface modifiers, and processing aids. Our additive is not hygroscopic and does not require special storage conditions or drying procedures.
- The morphology and surface chemistry of HIFILL N provide for efficient dispersion and compatibility with various polymers. HIFILL N improves the thermal conductivity and rheology of polymer melts, resulting in significant energy and cost savings from more efficient processing conditions. High dielectric and compressive strength properties do not affect performance for dielectric applications. HIFILL N is processed and refined with rigid adherence to Covia QIPSM quality assurance programs.
- Product Advantages
- Superior Weatherability: Extended durability as result of superior photochemical stability and improved color fade resistance relative to calcium carbonate and talc.
- Improved Physical Properities: HIFILL N has been used to improve scratch and mar resistance.
- Regulatory Compliance: No reportable free crystalline silica, improved industrial hygiene, safer solution - does not require silica-related labeling; FDA-approved for up to 50% by weight in the final product.
- Lower Oil Absorption: Chemically inert, allows synergy with other additives. As a result, customers are able to achieve optimal formulation designs.
- Improved Dispersion Color Extension: Transparent, color neutral which allows for optimum usage of darker pigments and helps with pigment dispersions.
Applications & Uses
- Compatible Polymers & Resins
- Product Applications
Excellent functional filler in wide variety of commodity resins and applications.
Properties
- Typical Properties
- Physico-Chemical Properties
- Note
HIFILL® N products exist as a crystalline-silica deficient mineral complex of albite, microcline and nepheline ore. Quantitative SEM/EDX analyzes confirms HIFILL N grades contain <0.1% free crystalline silica.
- Particle Morphology
Particle Size Distribution
Scanning Electron Micrograph
| Value | Units | Test Method / Conditions | |
| Median Particle Size | 11.0 | μm | SediGraph |
| Top Size (99% below) | 47.5 | μm | SediGraph |
| Surface Area | 1.5 | m²/g | BET |
| Bulk Density (Loose) | 53.3 | lb/ft³ | ASTM B-329 |
| Bulk Density (Compacted) | 69.8 | lb/ft³ | ASTM B-329 |
| Value | Units | Test Method / Conditions | |
| Lab Value (L*) | min. 95 | — | CIELAB |
| Refractive Index | 1.53 | — | ASTM D-801 |
| Specific Gravity | 2.61 | g/cm³ | ASTM C-128 |
| Specific Resistance | 3000.0 | ohm-cm | ASTM D-2448 |
| Silicon Dioxide | 60.3 | wt. % | — |
| Aluminum Oxide | 23.6 | wt. % | — |
| Sodium Oxide | 10.5 | wt. % | — |
| Potassium Oxide | 4.8 | wt. % | — |
| Calcium Oxide | 0.36 | wt. % | — |
| Iron Oxide | 0.07 | wt. % | — |
| Magnesium Oxide | 0.02 | wt. % | — |
| Loss on Ignition | 0.44 | wt. % | — |
| pH (20% slurry in water) | 10.0 | — | — |
| Free Crystalline Silica | max. 0.1 | wt. % | — |
Regulatory & Compliance
- Certifications & Compliance
- Chemical Inventories
- Regulatory Information
Suitable for use as a filler and pigment dispersant in food contact polymers for single and repeat use food contact articles intended for use in contact with all food. Meets CONEG, Directive 2002/95/EC (RoHS 1) and the recast Directive 2011/65/EU (RoHS 2). Exempt from REACH registration and listed on the chemical inventories or exempt from notification requirements in the USA, Canada, EU, Australia, Korea, Japan, China and the Philippines.
Packaging & Availability
- Packaging Type
- Regional Availability
- Packaging Information
50 lb Paper Bags & 25 kg Bags