Enhanced TDS
Knowde-enriched technical product data sheet
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
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 - Properties
- Good extrusion qualities
- Very good arc resistance
- Suitable dielectric properties
- Good mechanical properties
- Offers good weathering resistance
Regulatory & Compliance
- Certifications & Compliance
- Chemical Inventories
Packaging & Availability
- Country Availability
- Regional Availability
Storage & Handling
- Storage Information
Store in a dry and cool place.