Knowde Enhanced TDS
Identification & Functionality
- Chemical Family
- Polymer Name
- Technologies
- Product Families
Features & Benefits
- Materials Features
Applications & Uses
- Markets
- Cure Method
- Plastics & Elastomers End Uses
- Application Details
- ELASTOSIL® R plus 4285/30 may not be cured with peroxides, but only with the catalyst batch ELASTOSIL® AUX Batch PT 1. ELASTOSIL® R plus 4285/30 and ELASTOSIL® AUX Batch PT 1 are homogenously mixed in a ratio of 100:1.5 on a roll mill.
- Care must be taken to keep the compound cool during mixing. Temperature should not exceed 35°C temperatures reduce the pot life significantly.
- Crosslinking begins when ELASTOSIL® AUX Batch PT 1 has been added. The rate and degree of crosslinking depend on the storage time and temperature. At 23°C the mixture has a pot life of about 24h. This can be extended by storing the catalyzed mixture at a lower temperature.
Properties
- Typical Properties
- Cured Properties
- Properties
ELASTOSIL® R plus 4285/30 HCR silicone rubber is an addition-curing, two part compound. The vulcanizates show excellent transparancy and good to very good mechanical properties.
| Value | Units | Test Method / Conditions | |
| Pot Life (at 23°C) | 24 | Hours | — |
| Value | Units | Test Method / Conditions | |
| Elongation (at break) | 900 | % | ASTM D 412 |
| Shore Hardness A | 30 | — | ASTM D 2240 |
| Specific Gravity (at 25°C) | 1.1 | g/cm³ | — |
| Tear Die B | 35 | kN/m | — |
| Tensile Strength | 7 | mPa | — |
| Tension Set (at 25°C, 3days, 400%) | 2 - 3 | % | — |
Regulatory & Compliance
- Compliance
Properly postcured vulcanizates of ELASTOSIL® R plus 4285/30 should comply with BfR and FDA food contact regulations. The material should also pass USP XXIII Class VI and ISO 10993 standards.
Packaging & Availability
- Country Availability
- Regional Availability