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SI 596™ High Temp Silicone Adhesive Sealant – Red

Item #100867485
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Product details

  • Legacy part 59675
  • 300 mL Cartridge
  • Makes Gaskets That Resist Temps to 600 °F Intermittent
  • Resists Aging, Weather, and Thermal Cycling Without Shrinking, Cracking, Or Hardening
  • Fills Gaps to .25"


  • LOCTITE® SI 596 is a red, 1-part, flowable smooth, acetoxy silicone paste sealant. It forms a tough, flexible, waterproof, oil-resistant silicone rubber bond. It is also used as a sealant and adhesive in industrial furnaces, ovens, boilers, exhaust stacks, high temperature ducting and heating elements in electrical appliances.


  • Typically used in applications with an operating range of -50°C to +250°C
  • Resists ageing, weathering and thermal cycling without hardening, shrinking or cracking


  • CFIA


Full Cure Time @ Temperature 24 h @ 77 °F
Container Type Cartridge
Physical Form Paste
Sealing Time Full Strength 24 h
Sealing Time Tack Free 30 h
Container Size 300 mL
Gap Fill (Primed) 0.25 in
Color Red
Gasket Type Silicone
Temperature Range [Max] 600 °F
Base Type Silicone
Application High Temperature Applications
Temperature Range [Min] -75 °F
Weight 0.83 LB
EAN or UPC 79340596757
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