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  #21  
Old 01-17-2020, 02:48 PM
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You can call machine shops and ask if they have any extra boxes, or just buy specific boxes.


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  #22  
Old 01-18-2020, 09:30 AM
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Quote:
Originally Posted by geeteeohguy View Post
A guy on another forum used the expanding household spray foam inside the A and B pillars and rockers on a classic Packard. The stuff turned out to be acidic, and caused the entire body to rust out. Car was destroyed. Do your research before you spray.
Built a Packard and was to cheep to buy automotive foam, LOL. Funny part is rather than foam he count have got a 360 spray nozzle that comes with a long hose and used bees wax to coat the inside, or even an etch primer.

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  #23  
Old 01-18-2020, 10:35 AM
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Originally Posted by Will View Post
I tried this when shipping a turbo and found that commonly available expanding foam in a can won't dry without contact with air.

you have to get a special kind (anaerobic) and it's quite a bit more expensive, otherwise the foam dries unevenly and leaves pockets of liquid. That was a mess.
Never had that problem. My cheap blowfoam dried just fine. Maybe the foam you bought was defective. I have shipped numerous Items this way and NEVER had that type of trouble.

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  #24  
Old 01-18-2020, 10:38 AM
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Originally Posted by daduck View Post
that is how I do it. Bman knows the routine.
Lookin good.

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  #25  
Old 01-18-2020, 10:40 AM
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https://en.wikipedia.org/wiki/Spray_foam

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  #26  
Old 01-18-2020, 10:43 AM
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Originally Posted by geeteeohguy View Post
A guy on another forum used the expanding household spray foam inside the A and B pillars and rockers on a classic Packard. The stuff turned out to be acidic, and caused the entire body to rust out. Car was destroyed. Do your research before you spray.
Sounds more like to me that it trapped moisture and caused the issue

The foam is non toxic once dry.It would make sense that it would be chemically nuetral at that point. IDK

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  #27  
Old 01-18-2020, 10:44 AM
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Sounds more like to me that it trapped moisture and caused the issue

The foam is non toxic once dry.It would make sense that it would be chemically nuetral at that point. IDK
BTW I use the "Great stuff" brand which is a one step closed cell foam.

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  #28  
Old 01-18-2020, 10:46 AM
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BTW I use the "Great stuff" brand which is a one step closed cell foam.
http://msdssearch.dow.com/PublishedL...romPage=GetDoc


Check pragraph 9 in the data sheet

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  #29  
Old 01-18-2020, 10:47 AM
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Acid would be toxic.

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  #30  
Old 01-18-2020, 10:48 AM
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https://www.familyhandyman.com/diy-a...low-your-mind/

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