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Polyester resin vs transformer oil

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LAN_403

Kizmo

Tue Jan 22 2008, 07:55AM

Registered Member #599 Joined: Thu Mar 22 2007, 07:40PM
Location: Northern Finland, Rovaniemi
Posts: 624

Im finally building my 1st oil cooled transformer. Core is now ready to be laminated back together. I have some leftover polyester resin (same stuff you repair boats with) which i could use to fix core laminations together. But will it survive under (mineral)oil? I did some googling but with no success. I know that polyester is not very strong compared to epoxy but will it hold under oil? I really dont want that core falls apart in few months

This time my core has enough room for HV windings

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