Knowde Enhanced TDS
Identification & Functionality
- Chemical Family
- Chemical Name
- CASE Ingredients Functions
- Composite Materials Functions
- CAS No.
- 67762-90-7
- EC No.
- 614-122-2
- Technologies
Features & Benefits
- Materials Features
Applications & Uses
- Compatible Polymers & Resins
- Applications
Adhesives
- Application Details
HDK® H16 is applied as a thickening and thixotropic agent in composites, coatings, adhesives and sealants, especially in vinylester, epoxy and polyurethane systems. It is not suitable for pharmaceuticals, food and feed. A good dispersion of HDK® H16 is a must to assure optimum performance.
Properties
- Appearance
- White colloidal powder
- Typical Properties
- Specifications
- Properties
White colloidal powder of high purity.
| Value | Units | Test Method / Conditions | |
| BET Surface (of the hydrophobic silica) | approx. 120 | m²/g | DIN ISO 9277 DIN 66132 |
| Density (at 20°C, SiO₂) | approx. 2.2 | g/cm³ | DIN 51757 |
| Residual Silanol Content | 25 | % | — |
| SiO₂ (based on the substance heatet at 1000°C for 2 hours) | min. 99.8 | % | DIN EN ISO 3262-19 |
| Value | Units | Test Method / Conditions | |
| BET Surface (of the hydrophilic silica) | 130 - 170 | m²/g | DIN ISO 9277 DIN 66132 |
| Carbon Content | 3.0 - 4.2 | % | DIN ISO 10694 |
| Loss on Drying (at 105°C, 2 hours) | max. 0.6 | % | DIN EN ISO 787-2 |
| pH (in 4% dispersion, 1:1 mixture of water-methanol) | 4.0 - 6.8 | — | DIN EN ISO 787-9 |
| Sieve Residue (min. 40 µm) | max. 0.3 | % | DIN EN ISO 787-18, Mocker Apparatus |
| Surface Modification | Polydimethylsiloxy | — | — |
| Tamped Density | approx. 50 | g/l | DIN EN ISO 787-11 |
Regulatory & Compliance
- Certifications & Compliance
Safety & Health
- Safety Notes
During transportation and processing HDK® H16 may cause electrostatic charges. Like other amorphous silicas HDK® H16 does not show either carcinogenic (IARC classification, Volume 68, 1997) or mutagenic properties.
Packaging & Availability
- Country Availability
- Packaging Type
- Regional Availability
- Packaging Information
Pallet with paper bags: 10 kg bags.
Storage & Handling
- Storage Information
HDK® H16 should be stored in the original packaging in dry storage areas.