What’s a hot batch?

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Forum Name: Fiberglass, Fabrication, and Interiors
Forum Discription: Fiberglass Kick Panels, Subwoofer Enclosures, Plexiglas, Fabrics, Materials, Finishes, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=67251
Printed Date: May 11, 2025 at 10:47 AM

Topic: What’s a hot batch?

Posted By: spades07
Subject: What’s a hot batch?
Date Posted: November 29, 2005 at 10:09 AM

Ok, I'm reading these posts and keep hearing people talking about using a "hot batch". What does the heat do and does it really matter?

Sorry if this ? has been asked before.

Replies:

Posted By: 5150azn
Date Posted: November 29, 2005 at 10:49 AM

I assume they're talking about a mix of body filler or fiber glass resin that has alot of hardner mixed in.

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Posted By: auex
Date Posted: November 29, 2005 at 10:55 AM

5150azn wrote:

I assume they're talking about a mix of body filler or fiber glass resin that has alot of hardner mixed in.

That is what I would assume as well. It hardens quickly and gets physically hot.

If this doesn't sound correct then give us an example of how you heard it.

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Posted By: spades07
Date Posted: November 29, 2005 at 3:45 PM

ok so I guess the term comes from when the mix starts to harden and the reaction creates heat. that sounds about right. thanks posted_image

Posted By: footbaldd
Date Posted: November 29, 2005 at 5:59 PM

Thats correct. If you use too much hardener not only will it set up quicker and get hot, but it may also crack, warp, or be rather brittle. Those are the main reasons besides working time that you do not want a hot batch.

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