LOCTITE® SI 5368 is a multi-purpose acetoxy silicone material with exceptional sealing, bonding, and insulating properties. It cures at room temperature in the presence of atmospheric humidity forming a flexible, tack-free seal.
LOCTITE® SI 5368 is a specially engineered adhesive sealant formulated as a black acetoxy silicone paste with high heat tolerances, withstanding temperatures up to 250°C. It is recommended for a wide range of applications, including household electrical appliances, heat sources, electrical boxes, automotive, and aeronautical applications. It provides excellent sealing, bonding, and insulating properties with enhanced load-bearing and shock absorption capabilities.
Appearance: Black paste
Specific gravity @ 20°C: 1.04
Extrusion rate, g/min, 0.6 MPa, 25 °C: 100
Elongation, at break, ISO 37, %: 435
Shore Hardness, ISO 868, Durometer A: 26
Dielectric constant, 1-MHz: 3
Dielectric breakdown strength, kV/mm: 20
Volume resistivity, IEC 60093, Ω·cm: 2×10¹⁵
Primary Chemistry: Acetoxy silicone
Degradation of seals at high temperatures Poor flexibility of adhesive sealants in industrial applications
Household electrical appliances Automotive and aeronautical applications Sealing ovens, steam circuits, heat exchangers, and water heaters Protection and insulation for electrical boxes
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