Knowde Enhanced TDS
Identification & Functionality
- Chemical Family
- Polymer Name
- Technologies
- Product Families
Features & Benefits
- Materials Features
- Specific Features
- Excellent hydrophobicity behavior
- Resistant to tracking and erosion
Applications & Uses
- Markets
- Applications
- Cure Method
- Plastics & Elastomers End Uses
- Plastics & Elastomers Processing Methods
- Applications
Insulators
- Application Details
POWERSIL® 190 MH silicone rubber is a good choice for manufacturing all types of electrical insulating equipment for outdoor use, e.g. composite insulators, arresters housings, bushings etc.
Processing
POWERSIL® 190 MH is especially designed for processing by extrusion technologies. But it can also be processed by compression, transfer or injection molding techniques. For optimal bonding of POWERSIL® 190 MH to FRP substrates the use of Primer G 3243 is recommended.
Properties
- Cured Properties
- Properties
- Good extrusion qualities
- Very good arc resistance
- Suitable dielectric properties
- Good mechanical properties
- Offers good weathering resistance
| Value | Units | Test Method / Conditions | |
| Arc Resistance | min. 300 | seconds | IEC 61621 |
| Density | 1.58 | g/cm³ | DIN EN ISO 1183-1 A |
| Dielectric Strength | 23 | kV/mm | IEC 60243-1 |
| Dissipation Factor (tan δ, at 50Hz) | 4x10⁻³ | — | IEC 62631-2-1 |
| Elongation (at break) | 250 | % | ISO 37 Type 1 |
| Permittivity (at 50Hz) | 3.7 | — | IEC 62631-2-1 |
| Shore Hardness A | 75 | — | DIN ISO 48-4 |
| Tear Strength | 18 | N/mm | ASTM D 624 B |
| Tensile Strength | 6.8 | N/mm² | ISO 37 Type 1 |
| Tracking Resistance | 1A 4.5 | — | IEC 60587 |
| Volume Resistivity | 4x10¹⁴ | Ohm-cm | IEC 62631-3-1 |
Regulatory & Compliance
- Certifications & Compliance
Packaging & Availability
- Country Availability
- Regional Availability
Storage & Handling
- Storage Information
Store in a dry and cool place.