Author Topic: FUD FXD forming small crystals after time?  (Read 22700 times)

0 Members and 1 Guest are viewing this topic.

Lemosteam

  • Crew
  • *
  • Posts: 6403
  • Gender: Male
  • PRR, The Standard Railroad of my World
  • Respect: +4817
Re: FUD FXD forming small crystals after time?
« Reply #165 on: December 07, 2017, 09:27:37 AM »
0
@MK No, buuut...

No one will believe this, but despite the publicized "melting" temp of FUD/FXD I have actually experimented using the material as a mold for molten pewter.  While the surface browns, it does not melt even in thin wall conditions, and it actually did a respectable job as a mold.  Pouring the pewter was the hard part.

I have also tried to melt the material with a 850 degree soldering iron to no avail.

Long though about the potentials for these fact.....
John "Lemosteam" LeMerise

MK

  • Crew
  • *
  • Posts: 4351
  • Respect: +952
Re: FUD FXD forming small crystals after time?
« Reply #166 on: December 07, 2017, 10:02:41 AM »
0
And according to the Food Network, oil temperature for deep frying should be between 350-375 F.

Who wants to experiment???   :trollface:

Lemosteam

  • Crew
  • *
  • Posts: 6403
  • Gender: Male
  • PRR, The Standard Railroad of my World
  • Respect: +4817
Re: FUD FXD forming small crystals after time?
« Reply #167 on: December 07, 2017, 10:35:10 AM »
0
And according to the Food Network, oil temperature for deep frying should be between 350-375 F.

Who wants to experiment???   :trollface:

LOL.  Should cook up nicely so long as there is no water in the pores... :D :D
John "Lemosteam" LeMerise

SandyEggoJake

  • Crew
  • *
  • Posts: 517
  • It's pronounced Sandy AHHH Go
  • Respect: +54
Re: FUD FXD forming small crystals after time?
« Reply #168 on: December 07, 2017, 12:23:17 PM »
0
The obvious part to test deep fried FUD:  https://www.shapeways.com/product/QA2TNJ8NM/merchicken?optionId=57933532

BTW, @Lemosteam, it's not melting of FUD that is the concern from heat, but warping.  Polymers of UA & TPA-DMA, once UV cured, do not melt, per se.  But thin flat walls and wires of FUD have been observed to warp above 70C - especially if not fully cured, as UA-UA bonds tend to be thermally labile. 

At a high enough temp, UA will ignite, but when mixed with other additives, actually is constituent of flame retardant coatings.     

And if you ever need to dissolve FUD (say for demolding a pewter part), slightly warm toluene will break it down in minutes.  However, toluene is a hazardous solvent that the Nanny State of Calicrazy has banned from retail sale, along with xylene. 

« Last Edit: December 07, 2017, 12:46:49 PM by SandyEggoJake »

MK

  • Crew
  • *
  • Posts: 4351
  • Respect: +952
Re: FUD FXD forming small crystals after time?
« Reply #169 on: December 07, 2017, 03:10:53 PM »
0
However, toluene is a hazardous solvent that the Nanny State of Calicrazy has banned from retail sale, along with xylene.

Everything causes cancer in that state including the label that tells you that, stuck on everything imaginable.  :)