Loctite SI 596 RD Red High Temp RTV

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RM41.20 RM41.20

Red, 1-part, flowable smooth, acetoxy silicone paste sealant.

In stock (can be backordered)

Red, 1-part, flowable smooth, acetoxy silicone paste sealant.
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 thermalcycling without hardening, shrinking or cracking

Technical Information

Application methodDispense Gun, Dispense System, Manual
ApplicationsFor High Temperature Applications, Formed in Place (FIP) Sealing, Gasketing, Sealing
Chemical basis / baseAcetoxy Silicone
Cure typeRoom Temperature Vulcanization (RTV) Cure
Key characteristicsFlexible, Temperature Resistant, Thixotropic
Operating temperature-75.0 – 600.0 °F (59.0 – 316.0 °C )
Physical formPaste
Tack free time30.0 min.
TechnologyAcetoxy Silicone
Viscosity73000.0 mPa·s (cP)
Weight0.1 kg


LOCTITE is one of the leading Henkel brands, a global leader in industrial adhesive solutions. LOCTITE® adhesive products are high-performance, engineered adhesive, sealant and coating solutions for both industrial and commercial purposes.

Our innovative technology, unrivalled expertise and diverse products provide the ideal solution to many manufacturing, engineering, industrial and domestic challenges, including:

  • Instant bonding
  • Structural bonding
  • Cleaning and lubrication
  • Thermal performance

Understand LOCTITE® products or access expertise to optimize your operations. Discover the ideal product or service for your needs with our full range of LOCTITE® solutions.