Momentive RTV11 Silicone Sealant

Product code: RTV11

Manufacturer: Momentive

Package size: 0.454 kg Tube

Shelf Life: 640 days

RTV11, RTV21 and RTV41 silicone rubber compounds are general purpose two-part silicone elastomers. They are supplied ready-to-use with a base compound and DBT (dibutyl tin dilaurate) as the standard curing agent. DBT is suitable for most applications, however other catalysts are available to facilitate deep section cure, faster cure and automated mixing.


  • Work time and cure rates can be varied
  • Room temperature cure
  • Composition free of solvents and solvent odor
  • FDA compliance – RTV11 and RTV41 silicone rubber compounds can be used in food contact applications other than contact with acidic foods where FDA regulations apply.
  • Excellent adhesion capabilities with primer
  • Excellent release properties
  • Retention of elastomeric properties at temperatures from -54°C (-65°F) up to 204°C (400°F) continuously, and up to 260°C (500°F) for short periods of time
Uncured Properties  
Consistency Easily Pourable
Color White
Viscosity, cps 11000
Specific Gravity 1.19
Work Time @ 25°C (77°F), hrs 1.5
Cured Properties  
Tensile Strength, kg/cm² (lb/in²) 36 (510)
Elongation, % 190
Hardness, Shore A 41
Shear Strength, kg/cm² (lb/in²) 3.5 (20)
Thermal Conductivity (W/mK) 0.29

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