Loctite SI 5990 - 100 ml, copper, silicone sealant

Loctite SI 5990 is a one-component silicone sealant that cures with moisture in the air. It is primarily designed for sealing and bonding metal parts in high-temperature environments. This product is non-corrosive and provides excellent temperature resistance up to 350 °C, making it ideal for demanding industrial applications. Loctite SI 5990 prevents dripping and is suitable for electrically insulating applications.

Advantages:

• High temperature resistance up to 350 °C
• Non-corrosive and safe for various surfaces, including metals and plastics
• Resistance to motor oils and industrial fluids
• Suitable for sealing and bonding larger gaps up to 0.25 mm
• Electrically insulating product, ideal for applications requiring protection against thermal and chemical influences

Technical parameters:

• Technology: RTV silicone (cures at room temperature)
• Chemical type: Silicone elastomer
• Appearance: Copper paste
• Density: 1.04 g/cm³
• Viscosity: Thixotropic paste (prevents dripping)
• Temperature range: -60 °C to +350 °C (short-term)
• Skin formation time: 25 minutes
• Processing time: 40 minutes
• Full cure: 24 hours at 25 °C and 50% relative humidity
• Shore A hardness: 27
• Elongation at break: 270%
• Tensile strength: 1.9 N/mm²
• Maximum gap: 0.25 mm