From: "@frank.net   
      
   On 11/6/2023 8:16 AM, vjp2.at@at.BioStrategist.dot.dot.com wrote:   
   >     I always knew epoxy to be binary so the two components only need each   
   > other to harden and are not affected by air or water. I see many   
   > products marketed as epoxy which are only one component. And further   
   > some of them admonish against wetness. Particularly for sealing   
   > leaking basement wall cracks, which even a blow torch after acid could   
   > not dry. What gives?   
   >   
      
   There are those like J-B weld with one component which is actually two   
   part and are kneaded to mix. I read there are also premixes that need   
   temperature to activate.  Best adhesion is when there is no boundary   
   layer and maybe water can act like that and boundary layer must be removed.   
      
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