Knowde Enhanced TDS
Identification & Functionality
- Chemical Family
- Polymer Name
- Technologies
- Product Families
Features & Benefits
Applications & Uses
- Applications
- Cure Method
- Plastics & Elastomers End Uses
- Applications
- Automotive Electronics
- Cured-In-Place-Gaskets (Dry Type)
- Application Details
ELASTOSIL® RT 728 series are particularly suitable for the economical production of gaskets and rubberparts which are used for radiators in the automotive industry.
Processing
The A and B components are delivered ready to use in 20 liter drums. With standard metering equipment, they can be pumped directly from the original containers into the injection molding machine and mixed by a static mixer. The mixing ratio is 1 : 1.
Properties
- Physical Form
- Catalyst Properties
- Cured Properties
- Uncured Properties
- Properties
- Adhesion on synthetic material
- Long-term flexibility over a temperature range from -50 °C to +200 °C
- Resistant to antifreeze-water mixtures
- Low compression set
- Short curing time
- Note
Cure conditions: 5 min / 165 °C, non postcured for cured properties.
| Value | Units | Test Method / Conditions | |
| Dynamic Viscosity (1:1 mixture at shear rate 0.89 s⁻¹) | 1100 | Pa.s | DIN 53019 |
| Value | Units | Test Method / Conditions | |
| Compression Set (at 22 hours, 175°C) | 15 | % | DIN ISO 815-B |
| Density | 1.13 | g/cm³ | ISO 1183-1 A |
| Elongation (at break) | 200 | % | DIN 53504 S 1 |
| Shore Hardness A | 60 | — | DIN 53505 |
| Tear Strength | 10 | N/mm | ASTM D 624 B |
| Tensile Strength | 4 | N/mm² | DIN 53504 S 1 |
| Value | Units | Test Method / Conditions | |
| Dynamic Viscosity (Component A, Shear rate 0.89 s⁻¹) | 1200 | Pa.s | DIN 53019 |
| Dynamic Viscosity (Component B, Shear rate 0.89 s⁻¹) | 1000 | Pa.s | DIN 53019 |
Packaging & Availability
- Country Availability
- Regional Availability