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

 
Subject : Using Unibond First Time - Minor Issue
Posted : 2005-11-08 11:17 PM
Post #32552
I just tried a couple of cherry veneer samples using the unibond with the hardener and blocker. I rolled the glue on lightly and evenly, no gooping or visual glue puddles. I applied to both MDF surface and veneer the same way.

Problem:
Either the veneer is not staying down or glue is no spreading out when under pressure. When I run my hands over the veneer it feels wavy. I tried rolling them out but it keeps coming back.

Any ideas?



Yes, I double checked that I did the proper measured mix between the resin/hardener/blocker. And because these are sample pieces the mixing time to the pressing time is well under 5 min.


 
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Darryl Keil

Posts: 1454

Joined: 2003-05-22
Location: Maine

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Subject : RE: Using Unibond First Time - Minor Issue
Posted : 2005-11-09 7:15 AM
Post #32553 - In reply to #32552
Cyber,

How did you press these samples? With clamps, a vacuum press? If with a vacuum press did you have anything between the veneer and the bag.

What ever is going on I highly doubt it has anything to do with you glue mixing or spreading.

Sincerely
Darryl Keil


 
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cyberdrac

 
Subject : RE: Using Unibond First Time - Minor Issue
Posted : 2005-11-09 10:43 AM
Post #32554 - In reply to #32553
Hey Darryl,

No I did put anything between the bag and the board. I was using 12" x 12" sample board. I'm sure it's not the glue. It must be something else.




 
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Darryl Keil

Posts: 1454

Joined: 2003-05-22
Location: Maine

User Profile 
Subject : RE: Using Unibond First Time - Minor Issue
Posted : 2005-11-09 3:38 PM
Post #32556 - In reply to #32554
Cyber,

You need a cover sheet between the bag and veneer. 1/4" masonite makes a good cover sheet. This will solve your problem.

Sincerely
Darryl Keil


 
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Cyberdrac

 
Subject : RE: Using Unibond First Time - Minor Issue
Posted : 2005-11-09 6:30 PM
Post #32557 - In reply to #32556
You da man Darrly!

It worked! Can you explain why 1/4 will make the difference?
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