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Subject: 
Re: Melting Point of ABS (Re: Strengthening Gears)
Newsgroups: 
lugnet.technic
Date: 
Wed, 6 Mar 2002 03:48:30 GMT
Viewed: 
5745 times
  

IIRC, ABS is a thermoset plastic.  The first time you melt it it's workable
at a relatively low temp and solidifies nicely, but heating it again won't
melt it, only deform it and finally burn it : (
                                        -Xanthra47
Ross Crawford <rcrawford@csi.com> wrote in message
news:GsIupy.Kv9@lugnet.com...

My guess would be 109C may be more likely - I'd be surprised if they could • mold
it at 109F. I'm guessing my bad experience with the heater was well over • 109F
(they were quite close to it), and they didn't "flow" anywhere near enough • that
I'd expect they'd need for molding.

   
         
     
Subject: 
Re: Melting Point of ABS (Re: Strengthening Gears)
Newsgroups: 
lugnet.technic
Date: 
Wed, 6 Mar 2002 03:50:34 GMT
Viewed: 
5643 times
  

In lugnet.technic, Jason S. Mantor writes:
IIRC, ABS is a thermoset plastic.  The first time you melt it it's workable
at a relatively low temp and solidifies nicely, but heating it again won't
melt it, only deform it and finally burn it : (

That explains it. And it smells pretty bad too - that's what alerted me when I
had my "accident".

ROSCO

   
         
   
Subject: 
Re: Melting Point of ABS (Re: Strengthening Gears)
Newsgroups: 
lugnet.technic
Date: 
Wed, 6 Mar 2002 14:43:30 GMT
Viewed: 
5825 times
  

In lugnet.technic, Jason S. Mantor writes:
IIRC, ABS is a thermoset plastic.

No, it's thermoplastic. But too much heat, or even localized hot spots, can
scorch it and make it unusable.

 

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