[PSUBS-MAILIST] dissolving foam

[via Personal_Submersibles]

Careful. I think the sloppy jelly state is a close cousin to napalm.




-----Original Message-----
From: Alan via Personal_Submersibles <personal_submersibles at psubs.org>
To: Personal Submersibles General Discussion <personal_submersibles at psubs.org>
Sent: Sun, Jul 29, 2018 8:04 pm
Subject: Re: [PSUBS-MAILIST] dissolving foam



Hank,
the polystyrene I used ended up a sloppy jelly consistency.
Not sure whether you could pour it out. Mine was a large area though
and it reduces to a small amount. Depending on what you are doing you
may want to leave it in there to get hard.
Apparently if you set the slop on fire it is like napalm, keeps on burning.
Alan
 

Sent from my iPad

On 30/07/2018, at 11:25 AM, hank pronk via Personal_Submersibles <personal_submersibles at psubs.org> wrote:





        
Alan,
Thanks' I heard that gasoline works but I only want to make a small hole in the tank, so it needs to all come out.  
Hank


                
            
                                
                    On Sunday, July 29, 2018, 5:18:47 PM MDT, Alan via Personal_Submersibles <personal_submersibles at psubs.org> wrote:                
                


                


                

Hank,
I formed my ballast tank out of polystyrene, fibreglassed over the top
& dissolved the polystyrene out with petrol. Petrol being cheaper than acetone.
It dissolved it to a sloppy consistency that you could scrape out, but left
a hard shell of plastic in places. Maybe check a sample out to see how it dissolves
with  petrol & acetone.
Alan

Sent from my iPad


On 30/07/2018, at 10:04 AM, hank pronk via Personal_Submersibles <personal_submersibles at psubs.org> wrote:




Hi All,
I am going to repurpose a couple of dock floats that are ABS plastic I think and foam filled.  I need to remove the foam.  I understand that Acetone works for that.  I have never done this, so what do I do?  
Hank




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