Black, 1-part, room temperature vulcanizing acetoxy silicone paste sealant.
LOCTITE® SI 5940 is a black, 1-part, room temperature vulcanizing acetoxy silicone paste sealant. It is primarily used as a general-purpose sealing and bonding agent, space-filling rubber adhesive or formed-in-place gasket. It adheres to clean metal, glass, most non-oily woods, silicone resin, vulcanized silicone rubber, ceramic, natural and synthetic fibre and many painted and plastic surfaces.
- Excellent resistance to ageing, shrinkage, cracking and discoloring
- Cures on exposure to moisture in the air to form a tough, flexible, waterproof, oil-resistant silicone rubber bond
- Typically used in applications with an operating range of -50°C to +200°C and can intermittently reach temperatures up to +220°C
|Chemical Basis / Base||Acetoxy Silicone|
|Cure Speed vs Time||6.0 mm|
|Extrusion Rate||200.0 g/min.|
|Fixture Time||30.0 min.|
|Gap Fill||6.0 mm|
|Lab Shear Strength||1.3 N/mm²|
|Substrates||Ceramic, Composite, Glass, Metal: Aluminum, Metal: Steel, Plastic|