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Subject: 
Re: Melting Point of ABS (Re: Strengthening Gears)
Newsgroups: 
lugnet.technic
Date: 
Tue, 5 Mar 2002 15:00:12 GMT
Viewed: 
5508 times
  
In lugnet.technic, Larry Pieniazek writes:
They're clearly not extruded... that's the kind Plastruct(R) uses.

But if they're just plain molded and not impact grade I am hoping they are
from the higher end of the range. The low end mold temp (and I agree with
Thomas Avery's speculations about what it means although my molding
experience is with aluminium) of 109 scares me... it gets that hot in the
south (or in attics) on a regular basis.

I measured the temp in my attic last summer and it reached 115 F. Needless
to say I don't keep much up there and definitely not my Lego collection!

ROSCO had a bad "melting" experience:
http://www.brickshelf.com/cgi-bin/gallery.cgi?i=42127

I think this was caused by prolonged exposure to direct sunlight, but I
forgot what he had said about it.

TJ



Message has 3 Replies:
  Re: Melting Point of ABS (Re: Strengthening Gears)
 
(...) IIRC, I thought it was from the back shelf of a car... cars with no windows opened can easily get to 145 or even hotter. (hence the warnings about not leaving dogs or ferrets or cats or whatever locked in cars on sunny days, it will kill them) (23 years ago, 5-Mar-02, to lugnet.technic)
  Re: Melting Point of ABS (Re: Strengthening Gears)
 
(...) That reminds me of a picture I just took in December at Legoland - the Grand Central Station in Miniland had an amazing bit of damage due to sunlight! Check it out at (URL) (big file - sorry) - look in the bottom right corner of the 'window' (...) (23 years ago, 5-Mar-02, to lugnet.technic)
  Re: Melting Point of ABS (Re: Strengthening Gears)
 
(...) Not so prolonged exposure to gas heater! (URL) (23 years ago, 5-Mar-02, to lugnet.technic)

Message is in Reply To:
  Re: Melting Point of ABS (Re: Strengthening Gears)
 
(...) They're clearly not extruded... that's the kind Plastruct(R) uses. But if they're just plain molded and not impact grade I am hoping they are from the higher end of the range. The low end mold temp (and I agree with Thomas Avery's speculations (...) (23 years ago, 5-Mar-02, to lugnet.technic)

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