Knowde Enhanced TDS
Identification & Functionality
- Chemical Family
- Polymer Name
- Plastics & Elastomers Functions
- Technologies
- Product Families
Features & Benefits
- Materials Features
Applications & Uses
- Applications
- Plastics & Elastomers Processing Methods
- Processing
Before extrusion, the compound must be mixed with the specific quantity of catalyst masterbatch specified in the TDS for the relevant material. Correct processing of silane-grafted compounds with the catalyst masterbatch depends on the speed of extrusion; the faster the material is extruded, the better the results. Any delays, e.g., interruption of production, along with high temperatures, have a negative impact on the quality of processing, which can lead to premature cross-linking. The extruded compound must be cooled in a water bath. We recommend that the cross-linking process take place in hot water or a low-pressure steam bath. Cross-linking is also possible using air humidity. The dependence of the cross-linking kinetics on the thickness of the extruded layer of insulation or sheathing and on the ambient temperature and humidity at the site of storage of the finished product or semi-finished product must be taken into account in such cases. We recommend that these compounds be processed on higher-compression extrusion machines. The individual process and technical parameters are given in the specific TDS for HFFR-XL compounds.
Properties
- Typical Properties
| Value | Units | Test Method / Conditions | |
| Hardness | 58 | Shore D | — |
| Density | 0.926 | g/cm³ | — |
| Elongation at break | 500 | % | — |
| MFI (1190°C/5 kg) | 2 | g/10 min | — |
| Tensile Strength | 20 | MPa | — |
Regulatory & Compliance
- Quality Standards
Packaging & Availability
- Packaging Type
- Packaging
Compounds are supplied packaged in moisture-resistant 20 kg bags on wooden pallets.
Storage & Handling
- Storage Conditions
The compounds must be stored in dry, covered areas at ambient temperatures not exceeding 30°C. The compounds must be stored in their original, undamaged packaging as supplied by the SILON s.r.o. manufacturer. They must not be exposed to moisture, sunlight or thermal radiation. The maximum compound storage period is usually 6 months from the date of manufacture marked on the product packaging. Once the packaging has been opened, the compound should be processed within several hours, otherwise, the compound may degrade and complicate the smooth production process as a result of moisture absorption.