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Old 12-18-2012, 04:39 AM   #1
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2L CORNING 431255 ERLENMEYER W/VENT CAP DISPOSABLE, POLYCARBONATE

I had to buy the whole case during some local horse trading. I am keeping 2 for myself. I am using them for starters, yeast washing, storage etc.

I still have 4 left still sealed in bags. Selling them for $20 firm each plus shipping to your zip code. For the budget minded brewers wanting to get into starters etc. Being polycarbonate they can withstand the occasional "oh crap" moments.

Has both solid flat and vented caps. Use the solid flat caps for a liquid-tight seal; vented caps to allow continuous gas exchange and to ensure sterility.
http://www.labplanet.com/corning-fla...s6-431255.html for technical details.

Shipping would be from 32087
http://postcalc.usps.com/
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Old 12-18-2012, 05:05 AM   #2
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Are these borosilicate? Can they go straight on the stove?
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Old 12-18-2012, 05:19 AM   #3
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USP Class VI polycarbonate.

My work has a pallet of about 2000 of these that are expired, I grabbed one the other day to check out. Corning makes really good lab equipment and it should work perfectly for yeast starters.

Good luck with selling them.
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Old 12-18-2012, 05:43 AM   #4
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Indytruks138 -
I have not added mine to the stove as I have gas stove. As brum satates they are Class VI polycarbonate. I will try to track down an MSDS or some other spec sheet. Below is a cut and paste from Wiki - from this it would appear to be heat resistant to a degree. If making starters I doubt you would achieve that heat range as it would kill your yeast. FWIW while I research.

"Polycarbonate has a glass transition temperature of about 147 C (297 F),[5] so it softens gradually above this point and flows above about 155 C (311 F).[6] Tools must be held at high temperatures, generally above 80 C (176 F) to make strain- and stress-free products."
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Old 12-18-2012, 05:48 AM   #5
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Couple of links for those seeking more technical details

http://catalog2.corning.com/Lifescie...veview=techDoc

http://catalog2.corning.com/Lifescie...icsPlastic.pdf
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Old 12-18-2012, 09:00 PM   #6
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Quite a few boil in the flask then cool pitch and stir. Need size of package to figure shipping. Normally get mine from a supply house in St. Augustine
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Old 12-19-2012, 01:54 AM   #7
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Flask measures 11.33" high with cap and has a 6.40" base diameter and 1.76" neck opening; cap is 2.12" in diameter.
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Old 12-28-2012, 06:35 AM   #8
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PM sent.
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Old 12-28-2012, 08:16 AM   #9
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I had several boxes of the same ones that my work threw away also. I use them for storing yeast. I wouldn't heat them, as they are a type of plastic.

 
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Old 12-28-2012, 05:06 PM   #10
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Quote:
Originally Posted by Wulfman View Post
I had several boxes of the same ones that my work threw away also. I use them for storing yeast. I wouldn't heat them, as they are a type of plastic.
What if you stuck them in a pot of warm/hot water? They wouldn't be directly heated that way and wouldn't get hot enough to hurt the plastic right?

Just a thought.

 
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