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Thread: the time has come

  1. #1
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    the time has come

    Gene Cafe Coffee Roaster $850 - Free Beans Free Freight
    Hello all, I have been lurking around here for a while and have now decided to jump in and give home roasting a try! I have a lovely old breadmaker sitting in the cupboard not pulling its weight, so its time to throw into service! I have got a fair idea of the basic setup from the posts here, however I have one question I couldn’t really find a definitive answer for. Should I de-teflon the bowl and blade of the breadmaker to guard against harmful fumes? If this is an advisable step, what is the recommended method (sandpaper)?

    Thanks in advance

    Mark :)

  2. #2
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    Re: the time has come

    Hey Mark,

    Leave the teflon there its no worries. For it to be hazardous the temp has to exceed something far beyond what youll be roasting to. I think theres a few threads going around a while back regarding the topic.

    YeeZa

  3. #3
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    Re: the time has come

    The teflon is a concern of mine also. I did a search on the forums and only found people briefly mentioning it. According to the teflon website, you can safely go up to 260 deg c.

    Has anyone placed thermocouples on various areas of the baking tin to see if it exceeds that temperature? Obviously the beans dont, otherwise youd have carbon, but is it possible that the upper areas of the tin do?

    ACog

  4. #4
    Sleep is overrated Thundergod's Avatar
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    Re: the time has come

    JavaPhile raised the same question in the original Corretto thread:
    http://coffeesnobs.com.au/YaBB.pl?num=1154442377/13#13

    There is a lot of discussion about it in that thread.

    JavaB made some comments:
    http://coffeesnobs.com.au/YaBB.pl?num=1154442377/76#76

    http://coffeesnobs.com.au/YaBB.pl?num=1154442377/88#88



  5. #5
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    Re: the time has come

    Hi TG,

    Corretto herself mentions that the thermocouple in the middle of the beans reaches 270 deg, which means that theyve already exceeded the safe temperature.

    I feel like Im stirring up a hornets nest. The corretto is definitely loved by many on this forum, but I for one would want to be doing something with the teflon first.

  6. #6
    Sleep is overrated Thundergod's Avatar
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    Re: the time has come

    I wouldnt take that reading of 270 as accurate.
    The beans would have been charcoal if it was correct.

    That was early days.
    Weve all learned to better place the probes since then.

    I consider mine close to accurate but if I move my heatgun just a few inches I can send the indicated temperature soaring within seconds.

    Remember that the gun is suposedly putting out 600 degrees.

    So I agree that it would be possible to use the heatgun to push the teflon beyond safe limits but in practice I doubt its happened.

    Someone should measure the pan temp during a roast.

  7. #7
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    Re: the time has come

    TG,

    You are right. After checking some roast profiles and watching a few vids on youtube, it does looks like they fall within the safe limit.

    I think its inevitable Ill be roasting soon too.

    -ACog

  8. #8
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    Re: the time has come

    Behmor Coffee Roaster
    i agree, it probably isnt ever going to go over the safe temp, but I figured better to be safe than sorry so I went and bought a cheap dremel for $20-30 and got rid of the teflon, takes a little while and make sure youre wearing a mask or no doubt youre doing more damage than leaving it ever would.



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