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I Forge Iron

Larry Zoeller

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Posts posted by Larry Zoeller

  1. 23 hours ago, Frosty said:

    Do you see something I don't in the MSDS Larry? They all read about the same except the refractory blankets that dissolve in water. The warnings are about heavy or prolonged exposure causing irritation. Once it's vitrified the particles can be hard and sharp but till then they aren't considered much of a hazard. Not even the Mesothelioma folk mention it.

    Still, it's better to be too careful within reason. SuperWool HT reads close enough to other major brands it's a fine choice.

    Frosty The Lucky.

     

    Frosty,

    The following were taken from Thermal Ceramics web site

     

    Cerablanket  CHRONIC RESPIRATORY HEALTH EFFECTS Refractory ceramic fibres have been classified by the E.U. as a category 2 carcinogen (“substances which should be regarded as if they are carcinogenic to man”).

     

    The International Agency for Research on Cancer (IARC) reaffirmed that group 2B (“possibly carcinogenic to humans”) remains the appropriate classification for RCF.

     

     

    Quote

    Superwool

    Quote

    Key health properties The key health property of all Superwool®products, including the latest member of the family, is that any fibres that might be breathed in and reach the lungs are rapidly removed. This characteristic is referred to as low bio-persistence. As a consequence fibres do not accumulate in the lung, preventing the occurrence of any significant inflammatory effect that might affect the lungs. Low bio-persistence is achieved by producing the fibres that are a glassy material, which partially corrodes and then fragments when it comes into contact with the fluids found in the lungs.

     

    Larry Zoeller

  2. To All,

    The reason that I changed from Cerablanket to the Superwool HT is because the Superwool carries no health warning unlike the regular ceramic blankets.  I work with these products daily and I also want to provide my customers the safest product possible.

    I was told that when the first Superwool was introduce to the market the temperature rating was 1800 degrees and now they have it up to 2372 degrees so I am sure that they will have higher temperature ratings in the future.

     

    Larry Zoeller

    www.zoellerforge.com

     

     

  3. Frosty,

    Long time since we talked.  I have been following you and Mikey in the threads about forges and burners for awhile.   It seams like there is a lot of new ideas floating around out there right now.  

    I would like to hear your and Mikey's thoughts on the new Superwool HT, this is what I am selling now instead of the Cerablanket.  I am getting mixed information about it.  You guys usually have a good idea about what is going on with the refractories.

     

    Larry Zoeller

    [email protected]

    www.zoellerforge.com

    Superwool.pdf

  4. Quote

    Mikey,

    Funny that you mentioned the larger flare.  I started about a year ago making the end of my flares larger than the 12 to 1 ratio that Ron Reil talked of.  He said that the flare should not look like a blunderbuss but it seams to work better.  I saw the PNB burners had this and they worked fine.

     

    I am always looking for the latest and greatest burner design to work on.  So give me something to get started on Mikey.

    Larry Zoeller

    www.zoellerforge.com

    [email protected]

     

     

  5. Quote

    Mikey,

    Hi, Mikey long time no see. I have been following this thread with great interest.

    When I go To McMaster Carr Web Site and plug in 75165A125 it shows the following. 

    It shows that it has a plastic base.  Is this correct?

     

     

    0.019" 0.028" Blunt 304 Stainless Steel Polypropylene Plastic

    Black

     

    75165A125

     

     

    Larry Zoeller

    www.zoellerforge.com

  6. To all,
    I am in the process of test marketing a new forge welding flux that can be used in gas forges as well as coal or coke forges. I am looking for some volunteers to try it out in there shops and hear what they think about the flux. I am looking for about 10 full time blacksmith or bladesmiths to try it out. If you are interested in trying it please send me an e-mail with your contact information and please tell me a little about what kind of work your are doing in your shop. The great thing about this flux when you use it in a gas forge it will not foam up and drip in the forge so the flux stays on the metal. I would greatly appreciate any help that you could give me.

    Thanks,
    Larry Zoeller
     

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