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Offlinedansta
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FOOD GRADE (P E T) PLASTIC
    #4321143 - 06/21/05 04:51 PM (11 years, 5 months ago)

Anyone know if you can pressure cook the above?

Thanks


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Offlinethenewguy05
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Re: FOOD GRADE (P E T) PLASTIC [Re: dansta]
    #4321153 - 06/21/05 04:53 PM (11 years, 5 months ago)

i pressure cook my foodsaver bags and my reynolds oven bags. not sure if that helps, they haven't melted on me yet.


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OfflineAnnoA
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Re: FOOD GRADE (P E T) PLASTIC [Re: dansta]
    #4321159 - 06/21/05 04:54 PM (11 years, 5 months ago)

The melting point of PET is ~250?F. So, it probably can be pressure cooked. Try and report.


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Offlinedansta
stanley

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Re: FOOD GRADE (P E T) PLASTIC [Re: Anno]
    #4321174 - 06/21/05 04:56 PM (11 years, 5 months ago)

Cheers guys I'll give it a go once they arrive.


--------------------
"Sir, I think you are drunk"
"Yes my dear and tomorrow I will be sober but you will still be ugly"


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Offlineblackout
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Re: FOOD GRADE (P E T) PLASTIC [Re: dansta]
    #4321225 - 06/21/05 05:11 PM (11 years, 5 months ago)

If you pour boiling water in a PET coke bottle it distorts and shrinks. They are very thin walled though.
Polymers have melting AND softening points.

"Generally, The PET resin begins softening in the temperature of 70 degree C or higher temperature. This softening temperature is so-called TG(glass transition temperature) of PET. Supposing that when PET bottle leaving in more than 70 degree C atmosphere, the bottle neck will start softening and almost the dimensions will shrink also deformation of the neck finish will be occur at the same time."

I tried microwaving water in a PET bottle, thought it would make a good spawn container that I could just cut up later, it shrunk a lot, but the thicker neck was ok.


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Edited by blackout (06/21/05 05:12 PM)


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