FR4 for circuit boards is not made to be structural. I have seen a lot of boards that are more epoxy than fiberglass. What you want in your structural laminates is more glass and less epoxy.
-------- Original Message -------- Subject: Re: KR> Anyone use FR4 for construction or repairs? From: "Tony Wright" <[email protected]> List-Post: [email protected] Date: Mon, June 25, 2012 5:22 pm To: "KRnet" <[email protected]> Dave, I have never heard of fr4, but I have used FRP (fibreglass reinforced plywood) in trailer repairs. think this could be used in non-structural uses. Tony -------------------------------------------------- From: "Dave Acklam" <[email protected]> Sent: Monday, June 25, 2012 5:51 PM To: "KRnet" <[email protected]> Subject: KR> Anyone use FR4 for construction or repairs? > Fr4 is pre-cured fiberglass sheet made with epoxy resin..... Kind of like > a > composite version of 1/16 ply..... It's available in :005in and up.... > > I'm thinking of using this for some of my larger flat repairs; in leiu of > laying up glass (eg replacing the pilot side elevator skin)... > > Essentially, like an unmoulded version of prefab wingskins.... > _______________________________________ > Search the KRnet Archives at http://tugantek.com/archmailv2-kr/search. > To UNsubscribe from KRnet, send a message to [email protected] > please see other KRnet info at http://www.krnet.org/info.html > _______________________________________ Search the KRnet Archives at http://tugantek.com/archmailv2-kr/search. To UNsubscribe from KRnet, send a message to [email protected] please see other KRnet info at http://www.krnet.org/info.html
