> On Sep 28, 2017, at 6:43 PM, David Beierl <dbeierl@ATTGLOBAL.NET> wrote:
> 
>> 
>> What is RTC ?
> 
> 
> Room Temperature Vulcanizing silicone adhesive/gasket/caulking compound.
> Also polysulfide and similar rubber caulks and such, but I hear it used
> mostly for silicone.
> 
> Yrs,
> d

https://www.permatex.com/products/adhesives-sealants/sealants/permatex-clear-rtv-silicone-adhesive-sealant/

in this application...