Darryl Keil Last Activity 2025-02-12 2:48 PM
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adam kropinski

 
Subject : Preventing Bleedthrough
Posted : 2004-08-09 12:07 PM
Post #31706
Hello,
I just used my vacuum press for the first time. I was doing a bent lamination for an arm chair. I am very pleased with the results, but did have some bleadthrough. I used West epoxy (I haven't found a Canadian supplier of urea resin glues - any ideas?). Anyways, are there any techniques for preventing bleedthrough? Would a glue sizing or shellac help?


 
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Darryl Keil

Posts: 1454

Joined: 2003-05-22
Location: Maine

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Subject : RE: Preventing Bleedthrough
Posted : 2004-08-09 1:38 PM
Post #31707 - In reply to #31706
Adam,

I have a couple of questions that will allow me to give you a more complete answer.

What was the thickness of your laminations, especially the two outside ones, and what wood did you use?

Sincerely
Darryl Keil


 
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adam kropinski

 
Subject : RE: Preventing Bleedthrough
Posted : 2004-08-09 3:31 PM
Post #31708 - In reply to #31707
Hi Darryl,
Tks for the reply. The thicknesses were a little over 1/8" and are soft curly maple. I'll be doing some hard curly maple as well. A was laminating 5 plys all fairly even thicknesses.

Adam


 
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Earl

Posts: 75

Joined: 2003-12-04
Location: Pensacola FL

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Subject : RE: Preventing Bleedthrough
Posted : 2004-08-09 10:19 PM
Post #31710 - In reply to #31708
Adam, with 1/8 in. plies I don't see how your getting bleed thru! Are you really putting a lot of glue on the plies? If so cut back on just the outside plies. Sometimes curly Maple veneer tends to bleed thru in the bottom of the curl, but that's a heck of a lot thinner than what you're using.


 
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Darryl Keil

Posts: 1454

Joined: 2003-05-22
Location: Maine

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Subject : RE: Preventing Bleedthrough
Posted : 2004-08-09 10:46 PM
Post #31711 - In reply to #31708
Adam,

Like Earl, I cannot see how you could get bleed through on 1/8" maple, curly or not.

In any case I would stay away from epoxy. It is naturally a high saturator and does bleed through more than any other glue. Switching glues would be my solution over trying to seal the wood in some way, although a seal coat of finish on the surface would keep glue from getting on the face, if it bled through or crept around the sides.

Sincerely
Darryl Keil


 
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John

 
Subject : RE: Preventing Bleedthrough
Posted : 2004-11-25 11:06 AM
Post #31892 - In reply to #31706
Veneer Systems Inc. can supply you with Urea Resin glue in Canada. We ship across the country from Fort Erie, ON. Call 1-800-825-0840 and ask for information on PPR.
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