polyethylene V.S polyethylene terephthalate

Williams 728
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Why do you ask and have you tried google?

Polyethylene terephthalate (aka PET, PETE or the obsolete PETP or PET-P
280pxpet1fe0e6ebvx5.jpg


Polyethylene
200pxpolyethylenerepeatiu3.jpg


If I'm reading that right ones got oxygen in it the other hasn't.

I am :drunk:
 
Basically, the 2 CH2s in the Polyethylene terephthalate diagram orfy posted is the ethylene. The poly just means that it's polymerized. The rest is what adds the terephthalate
 
I found buckets at a good price, but some are polyethylene and some are polyethylene terephthalate. They aren't the same, so they all can't be used for fermenting.

I didn't know about google, thanks!
 
Polyethylene terephthalate like Orfy sez is PET or PETE recycle symbol #1 used in Better Bottle fermenter.

Polyethylene usually broken into 2 groups High Density Polyethylene (HDPE)recycle symbol #2 used in Primary fermentation buckets for both beer and wine.

And Low Density Polyethylene (LDPE) recycle symbol # 4 not generally used for frementaion.
 

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