Thkyou Jeff, appreciate the clarification on resins, I will make sure I verify what resin I have, and apply accordingly. Cheers.
Sent from my iPhone > On Aug 26, 2018, at 6:35 PM, Jeff Scott via KRnet <krnet@list.krnet.org> > wrote: > > > The pink foam is undoubtedly a polystyrene foam, but it sounds like you are > using a polyester or vinylester based resin where you are mixing MEKP as a > catalyst. That will melt polystyrene on contact. While vinylester resin is > acceptable, you can't use it over a polystyrene foam. It does work with > polyUrethane foam. If you have polyester resin, you shouldn't be using it at > all. Use an epoxy based resin as it will not react with the foam. If you > read the plans, you should be using a slurry of microballoons mixed with > epoxy resin to a peanut butter like consistency as a base over the foam to > lay up your glass repair over the holes. It's all in the plans for building > the plane. > > -Jeff Scott > Cherokee Village, AR > > On 8/26/2018 7:23 PM, Lee Shook via KRnet wrote: > > I put resin on the foam and it started to deform. Kinda at a stand still. > > +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ > > Sounds like you need to contact the builder and get info on what > materials he used. Sounds like a compatibility problem. That one is > beyond my ability to help. Pink foam that deforms with epoxy contact, > huummmmm....... > > What was used to do the original layup? > > Larry Flesner > > > > _______________________________________________ > Search the KRnet Archives at > https://www.mail-archive.com/krnet@list.krnet.org/. > Please see LIST RULES and KRnet info at http://www.krnet.org/info.html. > see http://list.krnet.org/mailman/listinfo/krnet_list.krnet.org to change > options. > To UNsubscribe from KRnet, send a message to krnet-le...@list.krnet.org _______________________________________________ Search the KRnet Archives at https://www.mail-archive.com/krnet@list.krnet.org/. Please see LIST RULES and KRnet info at http://www.krnet.org/info.html. see http://list.krnet.org/mailman/listinfo/krnet_list.krnet.org to change options. To UNsubscribe from KRnet, send a message to krnet-le...@list.krnet.org
