Knowde Enhanced TDS
Identification & Functionality
- Chemical Family
- Product Type
- Technologies
- Product Families
Features & Benefits
- Ready-to-Use Product Features
- Specific Features
Electrically conductive
Applications & Uses
- Markets
- Application Area
- Application Method
- Plastics & Elastomers End Uses
- Applications
- Cable accessories
- Electrodes
- Deflectors
- Adhesion promotor for molding RTV-2/LSR onto conductive silicone rubber
- Processing
- After stirring up, A and B-component both have to be mixed in the ratio 1 : 1 by thorough stirring. At room temperature the pot life is at least 3 days.
- Surfaces to be treated should be dry and free of grease, oil and other contaminants. For cleaning chemically pure solvents e. g. acetone can be used. The dispersion of POWERSIL® 402 A/B can be applied by dipping, spraying and with a brush.
- For electrically conductive coatings we recommend a curing - after air drying for approx. 5 min at room temperature - of at least 30 min at 150°C.
- POWERSIL® 402 A/B can also be used as adhesion primer for overmoulding parts made from conductive silicone rubber with RTV-2/LSR silicone rubbers. For adhesion promoting (e.g. for deflectors) POWERSIL® 402 A/B should be vulcanized - after air drying for approx. 5 min at room temperature - for 20 min at 140 - 150 °C in a circulating air oven.
- Casting with a RTV-2/LSR silicone rubber should take place at the latest after 24 h. It appeared that the adhesion after heat vulcanization (e.g. 100 °C) mostly is better than after room temperature curing.
- If for the application of POWERSIL® 402 A/B a higher mixing viscosity is desired a catalyzation of only the A component is possible. After stirring up 0.1 % Catalyst EP is added and stirred thoroughly. By dilution with chemical pure Xylene the desired mixing viscosity (> 500 mPa s) can be adjusted.
- As a general rule the individual processing conditions must be optimized for the specific application. Various substances can poison the platinum catalyst and delay vulcanization or, in extreme cases, prevent it entirely.
- Particularly critical catalyst poisons are: Sulfur, polysulfides, polysulfones and compounds containing sulfphur, such as natural and synthetic rubber. Amines, urethanes and substrates containing amines, such as polyurethanes, epoxy resins etc. Organometallic compounds, especially organo-tin, and substances containing such compounds. Sticky areas are signs of inhibition.
Properties
- Physical Form
- Catalyst Properties
- Cured Properties
- Uncured Properties
- Properties
- Low volume resistivity
- Adhesion promoting primer
- Suitable for various coating techniques like dipping, brushing or spraying
- Note
Cured Properties: Cured for 30 min at 150°C in a circulating air oven.
| Value | Units | Test Method / Conditions | |
| Mix Ratio (A:B) | 1:1 | parts by weight | — |
| Mixing Viscosity (A+B, at 23°C) | 250 | mPa·s | DIN EN ISO 3219 |
| Pot Life (A+B, at 23°C) | 3 | days | — |
| Value | Units | Test Method / Conditions | |
| Density (at 23°C) | 1.22 | g/cm³ | DIN EN ISO 1183-1 A |
| Volume Resistivity | 5 | Ohm-cm | IEC 62631-3-1 |
| Value | Units | Test Method / Conditions | |
| Dynamic Viscosity (Component A, at 23°C) | 16000 | mPa·s | DIN EN ISO 3219 |
| Dynamic Viscosity (Component B, at 23°C) | 0.7 | mPa·s | DIN EN ISO 3219 |
| Solid Content (Component A) | 25 | % | — |
Regulatory & Compliance
- Certifications & Compliance
Packaging & Availability
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