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Old 17th January 2013, 12:13 AM   #1471
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You cut your hair
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Old 18th January 2013, 06:59 PM   #1472
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ok...so I had to choose between silicone pads for isolator which were factory made and teflon isolators which I have on a role and I had to do another hand work
guess what I choose
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Old 18th January 2013, 07:11 PM   #1473
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What is the thermal performance of the teflon?
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Old 18th January 2013, 07:15 PM   #1474
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sincerely...I don`t know but from what I know it is better than silicone pads, also thinner and you don`t need to use thermal grease, hope I am right
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Old 18th January 2013, 07:16 PM   #1475
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teflon

put goo , just in case
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Old 18th January 2013, 07:27 PM   #1476
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both sides or one only?

really don`t like very much grease just `cause you get dirty each time you get you hand near...you just can`t miss it

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Old 18th January 2013, 08:00 PM   #1477
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well - I put kapton today under few of them , but with goo

getting grease on fingers - just matter of mileage

I'm using wooden stick for applying goo (meat spits)
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Old 18th January 2013, 08:09 PM   #1478
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didn`t had on hand kapton, I know it is the best but...maybe in the future if the teflon wouldn`t work fine and the temperature difference between sink and to247 capsule will be too high.what should be the maximum value of this difference?
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Old 18th January 2013, 08:12 PM   #1479
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say that 10C is in highish part of ballpark

there are few threads - search for mica and goop and for Keratherm
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Old 18th January 2013, 09:00 PM   #1480
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Hm... quick search gives: Therm. cond. for kapton = 0.37 W/(m*K), Dupont web page, and for example for Alum. Oxide = 60 W/(m*K)(Wiki), so it is two orders. Why not just buy Al2O3 based pads?
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