Loctite 495315 RTV Black Silicone Adhesive Sealant 300ml Cartridge

Loctite 495315 (also known as part number 37523) is a general-purpose, black indoor/outdoor RTV silicone adhesive sealant designed for a wide range of sealing, bonding, and repair applications. This professional-grade silicone forms a durable, flexible rubber gasket that maintains its integrity in demanding environments.

Key Features:

• Works on most surfaces including stainless steel, aluminum, and plated surfaces
• Temperature range: -80°F to 450°F (-62°C to 232°C)
• Waterproof and flexible, ideal for applications requiring movement or vibration resistance
• Tolerates contamination by oils, water, weather, vibration, and grease
• Resists hardening, shrinking and cracking over time
• Tack-free in 1 hour, full strength in 24 hours
• May be applied to horizontal or vertical surfaces

This versatile RTV silicone is especially suited for electrical insulation, protection and the sealing of ductwork, doors, vents, flues and windows. Perfect for automotive, marine, HVAC, and general industrial applications where a reliable, long-lasting seal is required. The 300ml cartridge format is designed for use with standard caulking guns for easy, controlled application.