Glue a thin sheet of copper to a cork?

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Discussion Overview

The discussion centers around the appropriate adhesive for bonding a thin sheet of copper to cork, exploring various types of glue and their suitability under different conditions. Participants also consider the implications of adhesive choice on the conductivity of copper.

Discussion Character

  • Technical explanation
  • Debate/contested
  • Experimental/applied

Main Points Raised

  • One participant inquires about the type of glue suitable for bonding copper to cork.
  • Another participant asks about the specific loads and environmental conditions the bond must withstand, such as tensile or shear loads and exposure to air, water, or temperature variations.
  • Contact cement is suggested by some participants as a viable option, noting its effectiveness under most conditions but cautioning against high temperatures and certain solvents.
  • Silicone sealant and carpentry glues like LaPage's or Elmer's are mentioned as alternatives, though their metal-bonding properties are questioned.
  • One participant proposes using pop rivets with strain-relief washers if physical clearance allows.
  • There is a question regarding whether cement glue would hinder the conductivity of copper, with a response clarifying that while glue does not conduct current between pieces, it does not affect the conductivity of a single piece of copper.

Areas of Agreement / Disagreement

Participants express varying opinions on the best adhesive to use, with no consensus reached on a single solution. Some agree on the effectiveness of contact cement, while others suggest alternatives and raise concerns about specific conditions.

Contextual Notes

Participants have not fully defined the specific environmental conditions or load requirements for the adhesive bond, which may affect the choice of glue. Additionally, the impact of different adhesives on conductivity remains a point of discussion.

jeff1evesque
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Does anyone know what kind of glue i can use to glue a thin sheet of copper to a cork?
 
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What kind of load (tensile, shear, etc) and what kind of conditions (air, water, saline, hot, cold..) does the joint need to withstand?
 


Contact cement works well under most conditions, provided the application doesn't require exposure to high temperatures or certain solvents. As with all adhesives, surface preparation is key; clean and dry is the general rule.
 


I would tend to agree with Negitron on this. Contact cement is incredible stuff, as long as it isn't in a really inhospitable environment. Silicone sealant works well, as do basic LaPage's or Elmer's carpentry glue (although I'm not sure about their metal-bonding properties). If there aren't physical clearance issues, I'd also consider pop rivets with strain-relief washers.
 


negitron said:
Contact cement works well under most conditions, provided the application doesn't require exposure to high temperatures or certain solvents. As with all adhesives, surface preparation is key; clean and dry is the general rule.

Will cement glue hinder the conductivity of copper at all?
 


jeff1evesque said:
Will cement glue hinder the conductivity of copper at all?

I'm not sure what you mean here. Glue will not conduct current from one piece of copper to another, however, it will have no effect on the conductivity of a single piece of copper.
 

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