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IRIS tub & sterilite tub melting points?

Omnivorous Mar 13, 2009 03:27 PM

I am useing some IRIS MCBL tubs to make a small rack. Useing 4" flexwatt hooked up to a thermostat. I dont have a lot of tools and renting them for such a small project is too expensive. I wanted to know around what temps will the plastic start to melt. The reason I am asking is I cant make a recess for the flexwatt and the little plastic feet on the tubs might touch the heat tape depending on how i can make it. Also once I put in all the stuff the bottom of the tub might bow down a little and touch the tape so I just wanted to make sure it wont melt if it touches the tape. I try to run it at 88-90 degrees and have a backup thermostat set to 95 as an emergency backup. Would 95 degrees cause the plastic to melt?

Replies (2)

JMo Mar 13, 2009 04:18 PM

I have a Ranco thermostat set at 95 degress with 4" flexwatt; I currently have a few sterilite tubs sitting directly on top of the tape with not even a trace indicating that the tub is reaching it's melting threshold. I personnally wouldn't go above 95 degrees for piece of mind, but I don't have any hard data to indicate that temps above 95 would be a problem?

Jim

markg Mar 13, 2009 11:18 PM

No, I've gone higher - over 100 - no melting. However, what temp does the plastic release toxic chemicals? I think higher than 95 for that too. You're OK.
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Mark

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