POWERSIL® Insulator Finish

POWERSIL® Insulator Finish is a self-leveling, one-component silicone rubber that cures at room temperature under the influence of moisture in the air. This elastomer exhibits good mechanical properties and very good electrical properties, making it suitable for insulating applications. It utilizes an acetic acid-curing system and demonstrates excellent resistance to weathering and air pollution.

Brand: POWERSIL (35 products)

Product Type: 1K (1 component) Sealant

Application Area: Bushings, Housing

Cure Method: Air Dry, Chemical Cure, Moisture Cure

Chemical Family: Silicones

Technical Data Sheet

Enhanced TDS

Knowde-enriched technical product data sheet

Identification & Functionality

Features & Benefits

Labeling Claims
Ready-to-Use Product Features
Specific Features
  • Primerless adhesion to most substrates
  • Resistant to tracking and erosion
  • Self-leveling

Applications & Uses

Markets
Applications
Application Area
Cure Method
Plastics & Elastomers End Uses
Application Details

Repair material for silicone rubber sheds and housings of longrod and hollow core insulators, arresters and bushings.

Processing

  • POWERSIL® INSULATOR FINISH shows good primerless adhesion to cured silicone rubber and many substrates. We recommend to run preliminary tests to optimize conditions for the paricular application.
Applications

Insulators

Properties

Cured Properties
ValueUnitsTest Method / Conditions
Density (in water, at 23°C)1.09g/cm³DIN EN ISO 1183-1 A
Dielectric Strength20kV/mmIEC 60243-1
Elongation (at break)500%ISO 37 Type 1
Permittivity (at 50Hz)3-IEC 62631-2-1
Shore Hardness A20-DIN ISO 48-4
Tensile Strength1.4N/mm²ISO 37 Type 1
Tracking Resistance1A 3.5-IEC 60587
Volume Resistivity1 x 10¹⁵ Ohm-cmIEC 62631-3-1
Uncured Properties
ValueUnitsTest Method / Conditions
Curing Time (at 23°C, 50 %r.h)12hour/mm-
Dynamic Viscosity200000mPa·sDIN EN ISO 3219
Skin Formating Time (at 23°C, 50% r.h)10 - 30 minutes-
Properties
  • Acetic acid-curing system
  • Very good resistance to weathering and air pollution
Note

Curing conditions: 2 mm, 14d / 23°C / 50% RH

Regulatory & Compliance

Packaging & Availability

Country Availability
Regional Availability
  • Africa
  • Asia
  • Europe
  • Latin America
  • Middle East
  • North America
  • Oceania