Will shelac seal wood that is oily so that PVC glue will then adhere?
I realize the proper way would be to degrease the wood but in this case it cannot be done completely so I am looking for some way to cheat.
Thanks in advance.
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Most of PVA glues bond comes from penetrating the fibers. Sealing them off with shellac would weaken the bond. The advisability therefore depends on the type of joint and how much of the ultimate assembly's strength is mechanical v.s. the glue bond. Urethane glue also requires the moisture in the wood to react so it wouldn't be a good choice either. This leaves cynacrolate, epoxy, plastic resin, resourcinol and melamine (Rooglue) as possibilites.
John O'Connell - JKO Handcrafted Woodworking
Life is tough. It's tougher if you're stupid - John Wayne
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