Vacuum bagging question. - Woodworking Talk - Woodworkers Forum
 
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post #1 of 8 Old 01-23-2016, 08:29 PM Thread Starter
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Vacuum bagging question.

So i recently purchased a Vacuum bag to add to my shop and i was wondering if anyone could shed some insight on an idea i have?

I use clear packing tape a lot to keep epoxy off certain areas and i was thinking about lining the inside of my bag to help keep any epoxy off if any happens to escape.

Has anyone used this or is there any other ways you guys have tackled this problem?
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post #2 of 8 Old 01-23-2016, 08:33 PM
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I'm a little confused on this whole process. If this bag is used as a filter than no it definitely won't work,
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post #3 of 8 Old 01-23-2016, 09:25 PM
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You could test some epoxy on the bag to see if it even sticks. It may not.

The glue just flaked off my vinyl bag, but then, I wasn't using epoxy.

Ed

For just a little more, you can do it yourself.
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post #4 of 8 Old 01-23-2016, 10:07 PM
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a vacuum press is for glue ups or laminations

Quote:
Originally Posted by hwebb99 View Post
I'm a little confused on this whole process. If this bag is used as a filter than no it definitely won't work,
https://www.youtube.com/watch?v=qRNt0_7AjMI


https://www.youtube.com/watch?v=HM8cfaosQDs

The answer to your question will only be as detailed and specific as the question is detailed and specific. Good questions also include a sketch or a photo that illustrates your issue. (:< D)

Last edited by woodnthings; 01-23-2016 at 10:21 PM.
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post #5 of 8 Old 01-23-2016, 10:40 PM
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Why do you need to use epoxy.
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post #6 of 8 Old 01-23-2016, 11:27 PM
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I bet the tape would interfere with the vacuum bag contracting. I think I would rather use some thin cheap painters plastic.
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post #7 of 8 Old 01-24-2016, 01:19 AM
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Quote:
Originally Posted by ed_h View Post
You could test some epoxy on the bag to see if it even sticks. It may not.

The glue just flaked off my vinyl bag, but then, I wasn't using epoxy.

Ed
Thats what i was thinking too. I cant see epoxy sticking very well to a vinyl or polyurethane bag, and anything that would stick i would imagine would pop off as soon as the bag was flexed.

I need cheaper hobby
etsy.com/shop/projectepicfail
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post #8 of 8 Old 01-24-2016, 09:26 AM
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For composite work you can buy release film to prevent the breather cloth getting stuck to the job,might be overkill and expensive for odd jobs.For woodworking,you can use the clear film you use to cover food bowls.You may need a piece or two of masking tape to hold it in place while you place the job in the bag.
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