Shin-Etsu KE-441 One-Component RTV Self-Leveling Sealant - High-Performance

Shinetsu Silicone
September 15, 2025
Category Connection: Shinetsu Silicone
Brief: Discover the Shin-Etsu KE-441 One-Component RTV Self-Leveling Sealant, a high-performance silicone adhesive ideal for precision electronics sealing. Featuring self-leveling properties, excellent adhesion, and resistance to temperatures up to 180°C, this sealant is perfect for automotive, LED, and medical applications.
Related Product Features:
  • Self-leveling properties for precision electronics sealing.
  • Excellent for form-in-place gasketing (FIPG) applications.
  • Cures in 7 days at 23°C/50% RH with 60-minute tack-free time.
  • High electrical insulation: 5 TΩ*m volume resistivity, 20 kV/mm dielectric strength.
  • Mechanical properties: 1.7 MPa tensile strength, 280% elongation, 20 Shore A hardness.
  • Wide temperature range: -40°C to +180°C.
  • Low odor, neutral cure, and non-corrosive for sensitive electronics.
  • Ideal for automotive electronics, LED encapsulation, and medical device bonding.
Faqs:
  • What is the curing time for Shin-Etsu KE-441 sealant?
    The sealant cures in 7 days at 23°C/50% relative humidity, with a tack-free time of 60 minutes.
  • What materials does Shin-Etsu KE-441 adhere to?
    It offers excellent unprimed adhesion to metals, plastics, glass, and ceramics.
  • What is the temperature resistance of Shin-Etsu KE-441?
    The sealant can withstand temperatures from -40°C to +180°C, making it suitable for high-performance applications.