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RTV511, RTV560 and RTV577 Silicone Elastomers

Extreme Temperature Sealants

RTV511, RTV560 and RTV577 silicone rubber compounds are low-temperature two-part silicone elastomers. They are ready to use with a base compound and dibutyl tin dilaurate (DBT) as the standard curing agent. While DBT is generally appropriate for most applications, alternative catalysts are available to facilitate deep section cure, faster cure and automated mixing.

If adhesion to a non-silicone surface is required, RTV511, RTV560 and RTV577 must be applied over a primer.

RTV560 offers a wide useful temperature range of -115°C (-175°F) to 260°C (500°F) continuously and up to 316°C (600°F) for short periods of time. This is one of the widest useful temperature ranges of any silicone elastomer

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  • Technical Documents

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Silicone RTVs For Thermal Protection Systems
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More About RTV511, RTV560 and RTV577 Silicone Elastomers

These products have been shown to exhibit excellent adhesion capabilities with primers. In addition, this line of RTV products has the advantage of typically providing excellent release properties and curing at room temperature.

 

RTV 511, RTV560 and RTV577 Features and Typical Benefits

  • Variable work times and cure rates by adjusting the amount and type of curing agent
  • Room temperature cure
  • Solvent-free formulation (no solvent odor)
  • Excellent adhesion capabilities with primer
  • Excellent release properties
  • Retention of elastomeric properties with the following temperature ranges: RTV511 and RTV577 at temperatures from -115°C (-175°F) up to 204°C (400°F) continuously and up to 260°C (500°F) for short periods of time; RTV560 at temperatures from -115°C(-175°F) up to 260°C (500°F) continuously and up to 316°C (600°F) for short periods of time

RTV 511, RTV560 and RTV577 Potential Applications  

Potential applications for RTV 511, RTV560 and RTV577 silicone elastomers include:

  • Cast-in-place heat shielding
  • Thermal insulation
  • Low- and high-temperature bonding
  • Potting and encapsulation of electrical assemblies

*RTV560, RTV566 and RTV567 silicone rubber compounds do require a primer in order to bond to non-silicone surfaces.

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*The marks followed by an asterisk (*) are trademarks of Momentive Performance Materials Inc.