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Known as LOCTITE 5366

Features and Benefits


1-part, clear industrial acetoxy silicone sealant/adhesive. Its flexibility offers enhanced load bearing and shock absorbing characteristics.

LOCTITE® SI 5366 is a 1-part, clear industrial acetoxy silicone sealant/adhesive, designed specifically to ensure perfect sealing as well as bonding and protection. Typical applications include sealing side windows in trains, sealing heat sources (ovens, heat exchangers, steam circuits, water heaters), providing protection/insulation of electrical boxes, bonding of HCR silicones and in general maintenance. It offers high elongation at break of 530%.
  • Specially formulated for perfect sealing
  • 1-part product - requires no mixing
  • Enhances load bearing and shock absorption of bonds
  • Rapid skin formation
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Documents and Downloads

Technical Information

Color Clear
Shear Strength Unit, Grit Blasted Aluminum N/mm²
Shear Strength, Grit Blasted Aluminum 2